2161212300454 has 8 divisors (see below), whose sum is σ = 3255269980248. Its totient is φ = 1076122307040.

The previous prime is 2161212300419. The next prime is 2161212300473. The reversal of 2161212300454 is 4540032121612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2161212300454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241920992 + ... + 2241921955.

It is an arithmetic number, because the mean of its divisors is an integer number (406908747531).

Almost surely, 2^{2161212300454} is an apocalyptic number.

2161212300454 is a deficient number, since it is larger than the sum of its proper divisors (1094057679794).

2161212300454 is a wasteful number, since it uses less digits than its factorization.

2161212300454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483843190.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 2161212300454 in words is "two trillion, one hundred sixty-one billion, two hundred twelve million, three hundred thousand, four hundred fifty-four".