121170404509896 has 128 divisors (see below), whose sum is σ = 361478198292480. Its totient is φ = 33094284807936.

The previous prime is 121170404509883. The next prime is 121170404509949. The reversal of 121170404509896 is 698905404071121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3547491 + ... + 15966386.

It is an arithmetic number, because the mean of its divisors is an integer number (2824048424160).

Almost surely, 2^{121170404509896} is an apocalyptic number.

It is an amenable number.

121170404509896 is an abundant number, since it is smaller than the sum of its proper divisors (240307793782584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121170404509896 is a wasteful number, since it uses less digits than its factorization.

121170404509896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19515523 (or 19515519 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 121170404509896 in words is "one hundred twenty-one trillion, one hundred seventy billion, four hundred four million, five hundred nine thousand, eight hundred ninety-six".