31224212420122 has 8 divisors (see below), whose sum is σ = 46892142612000. Its totient is φ = 15593498216124.

The previous prime is 31224212420111. The next prime is 31224212420131. The reversal of 31224212420122 is 22102421242213.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 9303994872 + ... + 9303998227.

It is an arithmetic number, because the mean of its divisors is an integer number (5861517826500).

Almost surely, 2^{31224212420122} is an apocalyptic number.

31224212420122 is a deficient number, since it is larger than the sum of its proper divisors (15667930191878).

31224212420122 is a wasteful number, since it uses less digits than its factorization.

31224212420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18607993940.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 31224212420122 its reverse (22102421242213), we get a palindrome (53326633662335).

The spelling of 31224212420122 in words is "thirty-one trillion, two hundred twenty-four billion, two hundred twelve million, four hundred twenty thousand, one hundred twenty-two".