8212477072452 has 72 divisors (see below), whose sum is σ = 19953643118976. Its totient is φ = 2627018936064.

The previous prime is 8212477072441. The next prime is 8212477072519. The reversal of 8212477072452 is 2542707742128.

It is a junction number, because it is equal to n+sod(n) for n = 8212477072395 and 8212477072404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630613 + ... + 4101539.

It is an arithmetic number, because the mean of its divisors is an integer number (277133932208).

Almost surely, 2^{8212477072452} is an apocalyptic number.

It is an amenable number.

8212477072452 is an abundant number, since it is smaller than the sum of its proper divisors (11741166046524).

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

8212477072452 is a wasteful number, since it uses less digits than its factorization.

8212477072452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471117 (or 3471042 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 51.

The spelling of 8212477072452 in words is "eight trillion, two hundred twelve billion, four hundred seventy-seven million, seventy-two thousand, four hundred fifty-two".