222120131131232 has 24 divisors (see below), whose sum is σ = 437301824759352. Its totient is φ = 111059350240000.

The previous prime is 222120131131177. The next prime is 222120131131271. The reversal of 222120131131232 is 232131131021222.

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, 17290394 + ... + 27261657.

It is an arithmetic number, because the mean of its divisors is an integer number (18220909364973).

Almost surely, 2^{222120131131232} is an apocalyptic number.

It is an amenable number.

222120131131232 is a deficient number, since it is larger than the sum of its proper divisors (215181693628120).

222120131131232 is a wasteful number, since it uses less digits than its factorization.

222120131131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44707862 (or 44707854 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 222120131131232 its reverse (232131131021222), we get a palindrome (454251262152454).

The spelling of 222120131131232 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty-two".