213122000132 has 24 divisors (see below), whose sum is σ = 374684049432. Its totient is φ = 106069824000.

The previous prime is 213122000129. The next prime is 213122000153. The reversal of 213122000132 is 231000221312.

It can be written as a sum of positive squares in 4 ways, for example, as 182990595076 + 30131405056 = 427774^2 + 173584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213122000132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083382 + ... + 2183282.

It is an arithmetic number, because the mean of its divisors is an integer number (15611835393).

Almost surely, 2^213122000132 is an apocalyptic number.

It is an amenable number.

213122000132 is a deficient number, since it is larger than the sum of its proper divisors (161562049300).

213122000132 is a wasteful number, since it uses less digits than its factorization.

213122000132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102359 (or 102357 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213122000132 its reverse (231000221312), we get a palindrome (444122221444).

The spelling of 213122000132 in words is "two hundred thirteen billion, one hundred twenty-two million, one hundred thirty-two", and thus it is an aban number.