212878572414 has 32 divisors (see below), whose sum is σ = 434425866624. Its totient is φ = 69518660640.

The previous prime is 212878572407. The next prime is 212878572479. The reversal of 212878572414 is 414275878212.

It is a congruent number.

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, 272872 + ... + 707259.

It is an arithmetic number, because the mean of its divisors is an integer number (13575808332).

Almost surely, 2^212878572414 is an apocalyptic number.

212878572414 is an abundant number, since it is smaller than the sum of its proper divisors (221547294210).

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

212878572414 is a wasteful number, since it uses less digits than its factorization.

212878572414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980872.

The product of its digits is 2007040, while the sum is 51.

The spelling of 212878572414 in words is "two hundred twelve billion, eight hundred seventy-eight million, five hundred seventy-two thousand, four hundred fourteen".