212466473460 has 72 divisors (see below), whose sum is σ = 646808436456. Its totient is φ = 56453172480.

The previous prime is 212466473419. The next prime is 212466473533. The reversal of 212466473460 is 64374664212.

212466473460 is a `hidden beast` number, since 2 + 1 + 246 + 64 + 7 + 346 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21787531236 + 190678942224 = 147606^2 + 436668^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 2080771 + ... + 2180490.

Almost surely, 2^212466473460 is an apocalyptic number.

212466473460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212466473460 is an abundant number, since it is smaller than the sum of its proper divisors (434341962996).

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

212466473460 is a wasteful number, since it uses less digits than its factorization.

212466473460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261553 (or 4261548 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 212466473460 in words is "two hundred twelve billion, four hundred sixty-six million, four hundred seventy-three thousand, four hundred sixty".