212545152042240 has 144 divisors (see below), whose sum is σ = 687408688915200. Its totient is φ = 55961255141376.

The previous prime is 212545152042227. The next prime is 212545152042299. The reversal of 212545152042240 is 42240251545212.

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, 350014995 + ... + 350621714.

It is an arithmetic number, because the mean of its divisors is an integer number (4773671450800).

Almost surely, 2^{212545152042240} is an apocalyptic number.

212545152042240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212545152042240 is an abundant number, since it is smaller than the sum of its proper divisors (474863536872960).

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

212545152042240 is an equidigital number, since it uses as much as digits as its factorization.

212545152042240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700636812 (or 700636798 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 39.

The spelling of 212545152042240 in words is "two hundred twelve trillion, five hundred forty-five billion, one hundred fifty-two million, forty-two thousand, two hundred forty".