12101210122100 has 72 divisors (see below), whose sum is σ = 30154594461600. Its totient is φ = 4168837929600.

The previous prime is 12101210122069. The next prime is 12101210122151. The reversal of 12101210122100 is 122101210121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289481735 + ... + 289523534.

Almost surely, 2^{12101210122100} is an apocalyptic number.

12101210122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101210122100 is an abundant number, since it is smaller than the sum of its proper divisors (18053384339500).

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

12101210122100 is a wasteful number, since it uses less digits than its factorization.

12101210122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579005313 (or 579005306 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101210122100 its reverse (122101210121), we get a palindrome (12223311332221).

The spelling of 12101210122100 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred twenty-two thousand, one hundred".