212022718749974 has 16 divisors (see below), whose sum is σ = 348762739654656. Its totient is φ = 95869387343400.

The previous prime is 212022718749971. The next prime is 212022718750027. The reversal of 212022718749974 is 479947817220212.

212022718749974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212022718749974² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212022718749974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022718749971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25228781942 + ... + 25228790345.

It is an arithmetic number, because the mean of its divisors is an integer number (21797671228416).

Almost surely, 2^{212022718749974} is an apocalyptic number.

212022718749974 is a deficient number, since it is larger than the sum of its proper divisors (136740020904682).

212022718749974 is a wasteful number, since it uses less digits than its factorization.

212022718749974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50457572491.

The product of its (nonzero) digits is 56899584, while the sum is 65.

The spelling of 212022718749974 in words is "two hundred twelve trillion, twenty-two billion, seven hundred eighteen million, seven hundred forty-nine thousand, nine hundred seventy-four".