2124202465898 has 32 divisors (see below), whose sum is σ = 3215910891600. Its totient is φ = 1052281237504.

The previous prime is 2124202465843. The next prime is 2124202465901. The reversal of 2124202465898 is 8985642024212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1204170438409 + 920032027489 = 1097347^2 + 959183^2 .

It is a super-2 number, since 2×2124202465898² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332474888 + ... + 332481276.

Almost surely, 2^{2124202465898} is an apocalyptic number.

2124202465898 is a deficient number, since it is larger than the sum of its proper divisors (1091708425702).

2124202465898 is a wasteful number, since it uses less digits than its factorization.

2124202465898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 2124202465898 in words is "two trillion, one hundred twenty-four billion, two hundred two million, four hundred sixty-five thousand, eight hundred ninety-eight".