121232020310032 has 20 divisors (see below), whose sum is σ = 245099519323200. Its totient is φ = 57980531452448.

The previous prime is 121232020309993. The next prime is 121232020310039. The reversal of 121232020310032 is 230013020232121.

It is a super-2 number, since 2×121232020310032² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121232020309985 and 121232020310012.

It is not an unprimeable number, because it can be changed into a prime (121232020310039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164717418532 + ... + 164717419267.

It is an arithmetic number, because the mean of its divisors is an integer number (12254975966160).

Almost surely, 2^{121232020310032} is an apocalyptic number.

It is an amenable number.

121232020310032 is an abundant number, since it is smaller than the sum of its proper divisors (123867499013168).

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

121232020310032 is a wasteful number, since it uses less digits than its factorization.

121232020310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329434837830 (or 329434837824 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121232020310032 its reverse (230013020232121), we get a palindrome (351245040542153).

The spelling of 121232020310032 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, twenty million, three hundred ten thousand, thirty-two".