121400132312 has 16 divisors (see below), whose sum is σ = 239605524600. Its totient is φ = 57505325760.

The previous prime is 121400132297. The next prime is 121400132327. The reversal of 121400132312 is 213231004121.

It is an interprime number because it is at equal distance from previous prime (121400132297) and next prime (121400132327).

It is a super-2 number, since 2×121400132312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399342389 + ... + 399342692.

Almost surely, 2^121400132312 is an apocalyptic number.

It is an amenable number.

121400132312 is a deficient number, since it is larger than the sum of its proper divisors (118205392288).

121400132312 is a wasteful number, since it uses less digits than its factorization.

121400132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798685106 (or 798685102 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121400132312 its reverse (213231004121), we get a palindrome (334631136433).

The spelling of 121400132312 in words is "one hundred twenty-one billion, four hundred million, one hundred thirty-two thousand, three hundred twelve".