212201212121202 has 32 divisors (see below), whose sum is σ = 429517099533312. Its totient is φ = 69881297020304.

The previous prime is 212201212121153. The next prime is 212201212121251. The reversal of 212201212121202 is 202121212102212.

It is an interprime number because it is at equal distance from previous prime (212201212121153) and next prime (212201212121251).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230776003 + ... + 231693689.

It is an arithmetic number, because the mean of its divisors is an integer number (13422409360416).

Almost surely, 2^{212201212121202} is an apocalyptic number.

212201212121202 is an abundant number, since it is smaller than the sum of its proper divisors (217315887412110).

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

212201212121202 is a wasteful number, since it uses less digits than its factorization.

212201212121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382102.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212201212121202 its reverse (202121212102212), we get a palindrome (414322424223414).

The spelling of 212201212121202 in words is "two hundred twelve trillion, two hundred one billion, two hundred twelve million, one hundred twenty-one thousand, two hundred two".