212100112202202 has 24 divisors (see below), whose sum is σ = 525200277834336. Its totient is φ = 60600032057736.

The previous prime is 212100112202197. The next prime is 212100112202219. The reversal of 212100112202202 is 202202211001212.

It is a happy number.

212100112202202 is a `hidden beast` number, since 2 + 1 + 210 + 0 + 11 + 220 + 220 + 2 = 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 11 ways as a sum of consecutive naturals, for example, 841667111788 + ... + 841667112039.

It is an arithmetic number, because the mean of its divisors is an integer number (21883344909764).

Almost surely, 2^{212100112202202} is an apocalyptic number.

212100112202202 is an abundant number, since it is smaller than the sum of its proper divisors (313100165632134).

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

212100112202202 is a wasteful number, since it uses less digits than its factorization.

212100112202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683334223842 (or 1683334223839 counting only the distinct ones).

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

Adding to 212100112202202 its reverse (202202211001212), we get a palindrome (414302323203414).

The spelling of 212100112202202 in words is "two hundred twelve trillion, one hundred billion, one hundred twelve million, two hundred two thousand, two hundred two".