20212200111212 has 24 divisors (see below), whose sum is σ = 36591242909760. Its totient is φ = 9757562917760.

The previous prime is 20212200111167. The next prime is 20212200111269. The reversal of 20212200111212 is 21211100221202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31508333 + ... + 32143419.

It is an arithmetic number, because the mean of its divisors is an integer number (1524635121240).

Almost surely, 2^{20212200111212} is an apocalyptic number.

It is an amenable number.

20212200111212 is a deficient number, since it is larger than the sum of its proper divisors (16379042798548).

20212200111212 is a wasteful number, since it uses less digits than its factorization.

20212200111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909481 (or 909479 counting only the distinct ones).

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

Adding to 20212200111212 its reverse (21211100221202), we get a palindrome (41423300332414).

The spelling of 20212200111212 in words is "twenty trillion, two hundred twelve billion, two hundred million, one hundred eleven thousand, two hundred twelve".