22012212212010 has 96 divisors (see below), whose sum is σ = 59834279276928. Its totient is φ = 5603973344640.

The previous prime is 22012212211933. The next prime is 22012212212063. The reversal of 22012212212010 is 1021221221022.

It is a happy number.

22012212212010 is a `hidden beast` number, since 2 + 20 + 1 + 221 + 221 + 201 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9083661 + ... + 11248880.

It is an arithmetic number, because the mean of its divisors is an integer number (623273742468).

Almost surely, 2^{22012212212010} is an apocalyptic number.

22012212212010 is an abundant number, since it is smaller than the sum of its proper divisors (37822067064918).

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

22012212212010 is a wasteful number, since it uses less digits than its factorization.

22012212212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20333100 (or 20333097 counting only the distinct ones).

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

Adding to 22012212212010 its reverse (1021221221022), we get a palindrome (23033433433032).

The spelling of 22012212212010 in words is "twenty-two trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, ten".