121210032132 has 72 divisors (see below), whose sum is σ = 350636686400. Its totient is φ = 34584522048.

The previous prime is 121210032109. The next prime is 121210032133. The reversal of 121210032132 is 231230012121.

121210032132 is a `hidden beast` number, since 1 + 212 + 100 + 321 + 32 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (121210032133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139207 + ... + 511662.

Almost surely, 2^121210032132 is an apocalyptic number.

121210032132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121210032132 is an abundant number, since it is smaller than the sum of its proper divisors (229426654268).

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

121210032132 is a wasteful number, since it uses less digits than its factorization.

121210032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651625 (or 651620 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121210032132 its reverse (231230012121), we get a palindrome (352440044253).

The spelling of 121210032132 in words is "one hundred twenty-one billion, two hundred ten million, thirty-two thousand, one hundred thirty-two".