121651545032 has 16 divisors (see below), whose sum is σ = 228458140800. Its totient is φ = 60729374160.

The previous prime is 121651545031. The next prime is 121651545061. The reversal of 121651545032 is 230545156121.

It is a junction number, because it is equal to n+sod(n) for n = 121651544983 and 121651545001.

It is not an unprimeable number, because it can be changed into a prime (121651545031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12044432 + ... + 12054527.

It is an arithmetic number, because the mean of its divisors is an integer number (14278633800).

Almost surely, 2^121651545032 is an apocalyptic number.

It is an amenable number.

121651545032 is a deficient number, since it is larger than the sum of its proper divisors (106806595768).

121651545032 is a wasteful number, since it uses less digits than its factorization.

121651545032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24099596 (or 24099592 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 121651545032 in words is "one hundred twenty-one billion, six hundred fifty-one million, five hundred forty-five thousand, thirty-two".