121966970472832 has 64 divisors (see below), whose sum is σ = 243464934913200. Its totient is φ = 60862154137600.

The previous prime is 121966970472829. The next prime is 121966970472833. The reversal of 121966970472832 is 238274079669121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121966970472833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143838519 + ... + 144683977.

Almost surely, 2^{121966970472832} is an apocalyptic number.

It is an amenable number.

121966970472832 is a deficient number, since it is larger than the sum of its proper divisors (121497964440368).

121966970472832 is an equidigital number, since it uses as much as digits as its factorization.

121966970472832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847715 (or 847703 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 121966970472832 in words is "one hundred twenty-one trillion, nine hundred sixty-six billion, nine hundred seventy million, four hundred seventy-two thousand, eight hundred thirty-two".