212869968762 has 32 divisors (see below), whose sum is σ = 464538240000. Its totient is φ = 64492902320.

The previous prime is 212869968733. The next prime is 212869968781. The reversal of 212869968762 is 267869968212.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 212869968693 and 212869968702.

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, 12 + ... + 652487.

It is an arithmetic number, because the mean of its divisors is an integer number (14516820000).

Almost surely, 2^212869968762 is an apocalyptic number.

212869968762 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212869968762 is an abundant number, since it is smaller than the sum of its proper divisors (251668271238).

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

212869968762 is a wasteful number, since it uses less digits than its factorization.

212869968762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657458.

The product of its digits is 62705664, while the sum is 66.

The spelling of 212869968762 in words is "two hundred twelve billion, eight hundred sixty-nine million, nine hundred sixty-eight thousand, seven hundred sixty-two".