22000000012012 has 12 divisors (see below), whose sum is σ = 42000000023016. Its totient is φ = 10000000005440.

The previous prime is 22000000011883. The next prime is 22000000012013. The reversal of 22000000012012 is 21021000000022.

It is a self number, because there is not a number n which added to its sum of digits gives 22000000012012.

It is not an unprimeable number, because it can be changed into a prime (22000000012013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250000000093 + ... + 250000000180.

It is an arithmetic number, because the mean of its divisors is an integer number (3500000001918).

Almost surely, 2^{22000000012012} is an apocalyptic number.

22000000012012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22000000012012 is a deficient number, since it is larger than the sum of its proper divisors (20000000011004).

22000000012012 is a wasteful number, since it uses less digits than its factorization.

22000000012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500000000288 (or 500000000286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22000000012012 its reverse (21021000000022), we get a palindrome (43021000012034).

The spelling of 22000000012012 in words is "twenty-two trillion, twelve thousand, twelve".