32313215122 has 4 divisors (see below), whose sum is σ = 48469822686. Its totient is φ = 16156607560.

The previous prime is 32313215111. The next prime is 32313215153. The reversal of 32313215122 is 22151231323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22151231323 = 13 ⋅1703940871.

It can be written as a sum of positive squares in only one way, i.e., 28348120161 + 3965094961 = 168369^2 + 62969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078303779 + ... + 8078303782.

Almost surely, 2^32313215122 is an apocalyptic number.

32313215122 is a deficient number, since it is larger than the sum of its proper divisors (16156607564).

32313215122 is a wasteful number, since it uses less digits than its factorization.

32313215122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16156607563.

The product of its digits is 2160, while the sum is 25.

Adding to 32313215122 its reverse (22151231323), we get a palindrome (54464446445).

The spelling of 32313215122 in words is "thirty-two billion, three hundred thirteen million, two hundred fifteen thousand, one hundred twenty-two".