22212011021012 has 12 divisors (see below), whose sum is σ = 39529850122560. Its totient is φ = 10917768128856.

The previous prime is 22212011021009. The next prime is 22212011021017. The reversal of 22212011021012 is 21012011021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212011021017) 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, 47059345148 + ... + 47059345619.

It is an arithmetic number, because the mean of its divisors is an integer number (3294154176880).

Almost surely, 2^{22212011021012} is an apocalyptic number.

It is an amenable number.

22212011021012 is a deficient number, since it is larger than the sum of its proper divisors (17317839101548).

22212011021012 is a wasteful number, since it uses less digits than its factorization.

22212011021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94118690830 (or 94118690828 counting only the distinct ones).

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

Adding to 22212011021012 its reverse (21012011021222), we get a palindrome (43224022042234).

The spelling of 22212011021012 in words is "twenty-two trillion, two hundred twelve billion, eleven million, twenty-one thousand, twelve".