121712001162 has 64 divisors (see below), whose sum is σ = 262635540480. Its totient is φ = 37481334336.

The previous prime is 121712001139. The next prime is 121712001179. The reversal of 121712001162 is 261100217121.

It is a super-2 number, since 2×121712001162² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1443163 + ... + 1525169.

It is an arithmetic number, because the mean of its divisors is an integer number (4103680320).

Almost surely, 2^121712001162 is an apocalyptic number.

121712001162 is an abundant number, since it is smaller than the sum of its proper divisors (140923539318).

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

121712001162 is a wasteful number, since it uses less digits than its factorization.

121712001162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82355.

The product of its (nonzero) digits is 336, while the sum is 24.

Adding to 121712001162 its reverse (261100217121), we get a palindrome (382812218283).

The spelling of 121712001162 in words is "one hundred twenty-one billion, seven hundred twelve million, one thousand, one hundred sixty-two".