2122121012 has 12 divisors (see below), whose sum is σ = 4051322016. Its totient is φ = 964600440.

The previous prime is 2122121003. The next prime is 2122121041. The reversal of 2122121012 is 2101212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24114968 + ... + 24115055.

It is an arithmetic number, because the mean of its divisors is an integer number (337610168).

Almost surely, 2^2122121012 is an apocalyptic number.

2122121012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122121012 is a deficient number, since it is larger than the sum of its proper divisors (1929201004).

2122121012 is a wasteful number, since it uses less digits than its factorization.

2122121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48230038 (or 48230036 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2122121012 is about 46066.4846933212. The cubic root of 2122121012 is about 1285.0599298812.

Adding to 2122121012 its reverse (2101212212), we get a palindrome (4223333224).

The spelling of 2122121012 in words is "two billion, one hundred twenty-two million, one hundred twenty-one thousand, twelve".