22012212102 has 32 divisors (see below), whose sum is σ = 47751034464. Its totient is φ = 6737356800.

The previous prime is 22012212073. The next prime is 22012212107. The reversal of 22012212102 is 20121221022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012212107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2627599 + ... + 2635962.

It is an arithmetic number, because the mean of its divisors is an integer number (1492219827).

Almost surely, 2^22012212102 is an apocalyptic number.

22012212102 is an abundant number, since it is smaller than the sum of its proper divisors (25738822362).

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

22012212102 is a wasteful number, since it uses less digits than its factorization.

22012212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263624.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22012212102 its reverse (20121221022), we get a palindrome (42133433124).

The spelling of 22012212102 in words is "twenty-two billion, twelve million, two hundred twelve thousand, one hundred two".