1023220212 has 48 divisors (see below), whose sum is σ = 2733921792. Its totient is φ = 291777120.

The previous prime is 1023220201. The next prime is 1023220229. The reversal of 1023220212 is 2120223201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1023220191 and 1023220200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32287 + ... + 55577.

It is an arithmetic number, because the mean of its divisors is an integer number (56956704).

Almost surely, 2^1023220212 is an apocalyptic number.

1023220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023220212 is an abundant number, since it is smaller than the sum of its proper divisors (1710701580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023220212 is a wasteful number, since it uses less digits than its factorization.

1023220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23828 (or 23826 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1023220212 is about 31987.8134920160. The cubic root of 1023220212 is about 1007.6809230385.

Adding to 1023220212 its reverse (2120223201), we get a palindrome (3143443413).

The spelling of 1023220212 in words is "one billion, twenty-three million, two hundred twenty thousand, two hundred twelve".