2202111212012 has 24 divisors (see below), whose sum is σ = 3883578578880. Its totient is φ = 1092519352080.

The previous prime is 2202111212011. The next prime is 2202111212027. The reversal of 2202111212012 is 2102121112022.

It is a super-2 number, since 2×2202111212012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2202111212011) 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, 4188539 + ... + 4684877.

It is an arithmetic number, because the mean of its divisors is an integer number (161815774120).

Almost surely, 2^{2202111212012} is an apocalyptic number.

It is an amenable number.

2202111212012 is a deficient number, since it is larger than the sum of its proper divisors (1681467366868).

2202111212012 is a wasteful number, since it uses less digits than its factorization.

2202111212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504941 (or 504939 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2202111212012 its reverse (2102121112022), we get a palindrome (4304232324034).

The spelling of 2202111212012 in words is "two trillion, two hundred two billion, one hundred eleven million, two hundred twelve thousand, twelve".