102020120400132 has 72 divisors (see below), whose sum is σ = 281655718387680. Its totient is φ = 30879198155520.

The previous prime is 102020120400103. The next prime is 102020120400173. The reversal of 102020120400132 is 231004021020201.

It is a happy number.

102020120400132 is a `hidden beast` number, since 10 + 2 + 0 + 2 + 0 + 120 + 400 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 149617093 + ... + 150297420.

Almost surely, 2^{102020120400132} is an apocalyptic number.

102020120400132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020120400132 is an abundant number, since it is smaller than the sum of its proper divisors (179635597987548).

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

102020120400132 is a wasteful number, since it uses less digits than its factorization.

102020120400132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299915393 (or 299915388 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102020120400132 its reverse (231004021020201), we get a palindrome (333024141420333).

The spelling of 102020120400132 in words is "one hundred two trillion, twenty billion, one hundred twenty million, four hundred thousand, one hundred thirty-two".