7212939961122 has 64 divisors (see below), whose sum is σ = 18435256669440. Its totient is φ = 2047713602688.

The previous prime is 7212939961111. The next prime is 7212939961151. The reversal of 7212939961122 is 2211699392127.

It is a happy number.

7212939961122 is a `hidden beast` number, since 7 + 2 + 12 + 9 + 3 + 9 + 9 + 611 + 2 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60710883 + ... + 60829574.

It is an arithmetic number, because the mean of its divisors is an integer number (288050885460).

Almost surely, 2^{7212939961122} is an apocalyptic number.

7212939961122 is an abundant number, since it is smaller than the sum of its proper divisors (11222316708318).

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

7212939961122 is a wasteful number, since it uses less digits than its factorization.

7212939961122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121540632 (or 121540626 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The spelling of 7212939961122 in words is "seven trillion, two hundred twelve billion, nine hundred thirty-nine million, nine hundred sixty-one thousand, one hundred twenty-two".