479900121211 has 4 divisors (see below), whose sum is σ = 548457281392. Its totient is φ = 411342961032.

The previous prime is 479900121179. The next prime is 479900121251. The reversal of 479900121211 is 112121009974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112121009974 = 2 ⋅56060504987.

It is a cyclic number.

It is not a de Polignac number, because 479900121211 - 2⁵ = 479900121179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479900121251) 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, 34278580080 + ... + 34278580093.

It is an arithmetic number, because the mean of its divisors is an integer number (137114320348).

Almost surely, 2^479900121211 is an apocalyptic number.

479900121211 is a deficient number, since it is larger than the sum of its proper divisors (68557160181).

479900121211 is an equidigital number, since it uses as much as digits as its factorization.

479900121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68557160180.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 479900121211 in words is "four hundred seventy-nine billion, nine hundred million, one hundred twenty-one thousand, two hundred eleven".