121662063104 has 20 divisors (see below), whose sum is σ = 243086506014. Its totient is φ = 60831031296.

The previous prime is 121662063073. The next prime is 121662063119. The reversal of 121662063104 is 401360266121.

It can be written as a sum of positive squares in only one way, i.e., 121627957504 + 34105600 = 348752^2 + 5840^2 .

It is a super-2 number, since 2×121662063104² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118810097 + ... + 118811120.

Almost surely, 2^121662063104 is an apocalyptic number.

It is an amenable number.

121662063104 is a deficient number, since it is larger than the sum of its proper divisors (121424442910).

121662063104 is an frugal number, since it uses more digits than its factorization.

121662063104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237621235 (or 237621219 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 121662063104 in words is "one hundred twenty-one billion, six hundred sixty-two million, sixty-three thousand, one hundred four".