220777274264212 has 12 divisors (see below), whose sum is σ = 387579031951860. Its totient is φ = 110040407992256.

The previous prime is 220777274264171. The next prime is 220777274264249. The reversal of 220777274264212 is 212462472777022.

It can be written as a sum of positive squares in 2 ways, for example, as 129017657656836 + 91759616607376 = 11358594^2 + 9579124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87057283537 + ... + 87057286072.

It is an arithmetic number, because the mean of its divisors is an integer number (32298252662655).

Almost surely, 2^{220777274264212} is an apocalyptic number.

It is an amenable number.

220777274264212 is a deficient number, since it is larger than the sum of its proper divisors (166801757687648).

220777274264212 is a wasteful number, since it uses less digits than its factorization.

220777274264212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174114569930 (or 174114569928 counting only the distinct ones).

The product of its (nonzero) digits is 14751744, while the sum is 55.

The spelling of 220777274264212 in words is "two hundred twenty trillion, seven hundred seventy-seven billion, two hundred seventy-four million, two hundred sixty-four thousand, two hundred twelve".