2202121012212 has 72 divisors (see below), whose sum is σ = 6072840577440. Its totient is φ = 667273677120.

The previous prime is 2202121012177. The next prime is 2202121012229. The reversal of 2202121012212 is 2122101212022.

It is a happy number.

2202121012212 is a `hidden beast` number, since 220 + 21 + 210 + 1 + 2 + 212 = 666.

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

It is a congruent number.

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, 7792663 + ... + 8070305.

It is an arithmetic number, because the mean of its divisors is an integer number (84345008020).

Almost surely, 2^{2202121012212} is an apocalyptic number.

2202121012212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2202121012212 is an abundant number, since it is smaller than the sum of its proper divisors (3870719565228).

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

2202121012212 is a wasteful number, since it uses less digits than its factorization.

2202121012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297693 (or 297688 counting only the distinct ones).

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

Adding to 2202121012212 its reverse (2122101212022), we get a palindrome (4324222224234).

The spelling of 2202121012212 in words is "two trillion, two hundred two billion, one hundred twenty-one million, twelve thousand, two hundred twelve".