213122012122002 has 16 divisors (see below), whose sum is σ = 426244190198112. Its totient is φ = 71040643048320.

The previous prime is 213122012121983. The next prime is 213122012122003. The reversal of 213122012122002 is 200221210221312.

213122012122002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213122012122002.

It is not an unprimeable number, because it can be changed into a prime (213122012122003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15240802 + ... + 25661762.

It is an arithmetic number, because the mean of its divisors is an integer number (26640261887382).

Almost surely, 2^{213122012122002} is an apocalyptic number.

213122012122002 is an abundant number, since it is smaller than the sum of its proper divisors (213122178076110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213122012122002 is a wasteful number, since it uses less digits than its factorization.

213122012122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829513.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 213122012122002 its reverse (200221210221312), we get a palindrome (413343222343314).

The spelling of 213122012122002 in words is "two hundred thirteen trillion, one hundred twenty-two billion, twelve million, one hundred twenty-two thousand, two".