1021212022 has 16 divisors (see below), whose sum is σ = 1545475392. Its totient is φ = 506073600.

The previous prime is 1021212007. The next prime is 1021212043. The reversal of 1021212022 is 2202121201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1021211993 and 1021212011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102147 + ... + 111697.

It is an arithmetic number, because the mean of its divisors is an integer number (96592212).

Almost surely, 2^1021212022 is an apocalyptic number.

1021212022 is a deficient number, since it is larger than the sum of its proper divisors (524263370).

1021212022 is a wasteful number, since it uses less digits than its factorization.

1021212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1021212022 is about 31956.4081523565. The cubic root of 1021212022 is about 1007.0212605224.

Adding to 1021212022 its reverse (2202121201), we get a palindrome (3223333223).

The spelling of 1021212022 in words is "one billion, twenty-one million, two hundred twelve thousand, twenty-two".