121824568878274 has 16 divisors (see below), whose sum is σ = 192813662613600. Its totient is φ = 57568650679584.

The previous prime is 121824568878269. The next prime is 121824568878289. The reversal of 121824568878274 is 472878865428121.

It is a junction number, because it is equal to n+sod(n) for n = 121824568878197 and 121824568878206.

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, 3825651987 + ... + 3825683830.

It is an arithmetic number, because the mean of its divisors is an integer number (12050853913350).

Almost surely, 2^{121824568878274} is an apocalyptic number.

121824568878274 is a deficient number, since it is larger than the sum of its proper divisors (70989093735326).

121824568878274 is a wasteful number, since it uses less digits than its factorization.

121824568878274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651336257.

The product of its digits is 770703360, while the sum is 73.

The spelling of 121824568878274 in words is "one hundred twenty-one trillion, eight hundred twenty-four billion, five hundred sixty-eight million, eight hundred seventy-eight thousand, two hundred seventy-four".