12122110101012 has 48 divisors (see below), whose sum is σ = 28329635174400. Its totient is φ = 4034320998400.

The previous prime is 12122110100941. The next prime is 12122110101043. The reversal of 12122110101012 is 21010101122121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122110100982 and 12122110101000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19149664 + ... + 19772552.

It is an arithmetic number, because the mean of its divisors is an integer number (590200732800).

Almost surely, 2^{12122110101012} is an apocalyptic number.

12122110101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122110101012 is an abundant number, since it is smaller than the sum of its proper divisors (16207525073388).

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

12122110101012 is a wasteful number, since it uses less digits than its factorization.

12122110101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625456 (or 625454 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12122110101012 its reverse (21010101122121), we get a palindrome (33132211223133).

The spelling of 12122110101012 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, one hundred one thousand, twelve".