202112100120012 has 24 divisors (see below), whose sum is σ = 472364223136176. Its totient is φ = 67260796774848.

The previous prime is 202112100119971. The next prime is 202112100120017. The reversal of 202112100120012 is 210021001211202.

It is a junction number, because it is equal to n+sod(n) for n = 202112100119973 and 202112100120000.

It is not an unprimeable number, because it can be changed into a prime (202112100120017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13737900483 + ... + 13737915194.

It is an arithmetic number, because the mean of its divisors is an integer number (19681842630674).

Almost surely, 2^{202112100120012} is an apocalyptic number.

It is an amenable number.

202112100120012 is an abundant number, since it is smaller than the sum of its proper divisors (270252123016164).

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

202112100120012 is a wasteful number, since it uses less digits than its factorization.

202112100120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27475816297 (or 27475816295 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202112100120012 its reverse (210021001211202), we get a palindrome (412133101331214).

The spelling of 202112100120012 in words is "two hundred two trillion, one hundred twelve billion, one hundred million, one hundred twenty thousand, twelve".