212374434140277 has 32 divisors (see below), whose sum is σ = 287233130612736. Its totient is φ = 139563887736000.

The previous prime is 212374434140191. The next prime is 212374434140291. The reversal of 212374434140277 is 772041434473212.

It is not a de Polignac number, because 212374434140277 - 2²² = 212374429945973 is a prime.

It is a super-2 number, since 2×212374434140277² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212374434147277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1178046448 + ... + 1178226710.

It is an arithmetic number, because the mean of its divisors is an integer number (8976035331648).

Almost surely, 2^{212374434140277} is an apocalyptic number.

It is an amenable number.

212374434140277 is a deficient number, since it is larger than the sum of its proper divisors (74858696472459).

212374434140277 is a wasteful number, since it uses less digits than its factorization.

212374434140277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200401.

The product of its (nonzero) digits is 6322176, while the sum is 51.

The spelling of 212374434140277 in words is "two hundred twelve trillion, three hundred seventy-four billion, four hundred thirty-four million, one hundred forty thousand, two hundred seventy-seven".