100120132112120 has 64 divisors (see below), whose sum is σ = 237843023932800. Its totient is φ = 37825637351040.

The previous prime is 100120132112113. The next prime is 100120132112173. The reversal of 100120132112120 is 21211231021001.

It is a happy number.

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, 198746954 + ... + 199250073.

It is an arithmetic number, because the mean of its divisors is an integer number (3716297248950).

Almost surely, 2^{100120132112120} is an apocalyptic number.

100120132112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120132112120 is an abundant number, since it is smaller than the sum of its proper divisors (137722891820680).

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

100120132112120 is a wasteful number, since it uses less digits than its factorization.

100120132112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397997388 (or 397997384 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 100120132112120 its reverse (21211231021001), we get a palindrome (121331363133121).

The spelling of 100120132112120 in words is "one hundred trillion, one hundred twenty billion, one hundred thirty-two million, one hundred twelve thousand, one hundred twenty".