121667932412 has 24 divisors (see below), whose sum is σ = 229308240000. Its totient is φ = 56151740736.

The previous prime is 121667932361. The next prime is 121667932439. The reversal of 121667932412 is 214239766121.

It is a super-2 number, since 2×121667932412² (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 7 ways as a sum of consecutive naturals, for example, 1400789 + ... + 1485107.

It is an arithmetic number, because the mean of its divisors is an integer number (9554510000).

Almost surely, 2^121667932412 is an apocalyptic number.

It is an amenable number.

121667932412 is a deficient number, since it is larger than the sum of its proper divisors (107640307588).

121667932412 is a wasteful number, since it uses less digits than its factorization.

121667932412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112085 (or 112083 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The spelling of 121667932412 in words is "one hundred twenty-one billion, six hundred sixty-seven million, nine hundred thirty-two thousand, four hundred twelve".