212331452542254 has 24 divisors (see below), whose sum is σ = 487113332303520. Its totient is φ = 66613789032768.

The previous prime is 212331452542217. The next prime is 212331452542267. The reversal of 212331452542254 is 452245254133212.

212331452542254 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 3 + 1 + 4 + 52 + 542 + 2 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346946817574 + ... + 346946818185.

It is an arithmetic number, because the mean of its divisors is an integer number (20296388845980).

Almost surely, 2^{212331452542254} is an apocalyptic number.

212331452542254 is an abundant number, since it is smaller than the sum of its proper divisors (274781879761266).

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

212331452542254 is a wasteful number, since it uses less digits than its factorization.

212331452542254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693893635784 (or 693893635781 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 212331452542254 in words is "two hundred twelve trillion, three hundred thirty-one billion, four hundred fifty-two million, five hundred forty-two thousand, two hundred fifty-four".