222213130012312 has 8 divisors (see below), whose sum is σ = 416649618773100. Its totient is φ = 111106565006152.

The previous prime is 222213130012297. The next prime is 222213130012331. The reversal of 222213130012312 is 213210031312222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×222213130012312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888320625762 + ... + 13888320625777.

Almost surely, 2^{222213130012312} is an apocalyptic number.

It is an amenable number.

222213130012312 is a deficient number, since it is larger than the sum of its proper divisors (194436488760788).

222213130012312 is a wasteful number, since it uses less digits than its factorization.

222213130012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27776641251545 (or 27776641251541 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 222213130012312 its reverse (213210031312222), we get a palindrome (435423161324534).

The spelling of 222213130012312 in words is "two hundred twenty-two trillion, two hundred thirteen billion, one hundred thirty million, twelve thousand, three hundred twelve".