222012202101210 has 48 divisors (see below), whose sum is σ = 590655719088864. Its totient is φ = 57826434034656.

The previous prime is 222012202101199. The next prime is 222012202101227. The reversal of 222012202101210 is 12101202210222.

It is a happy number.

222012202101210 is a `hidden beast` number, since 2 + 2 + 20 + 1 + 220 + 210 + 1 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28683743172 + ... + 28683750911.

It is an arithmetic number, because the mean of its divisors is an integer number (12305327481018).

Almost surely, 2^{222012202101210} is an apocalyptic number.

222012202101210 is an abundant number, since it is smaller than the sum of its proper divisors (368643516987654).

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

222012202101210 is a wasteful number, since it uses less digits than its factorization.

222012202101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57367494139 (or 57367494136 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222012202101210 its reverse (12101202210222), we get a palindrome (234113404311432).

The spelling of 222012202101210 in words is "two hundred twenty-two trillion, twelve billion, two hundred two million, one hundred one thousand, two hundred ten".