22012102002012 has 48 divisors (see below), whose sum is σ = 52556839222272. Its totient is φ = 7166620056960.

The previous prime is 22012102001987. The next prime is 22012102002029. The reversal of 22012102002012 is 21020020121022.

It is a junction number, because it is equal to n+sod(n) for n = 22012102001982 and 22012102002000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37204728 + ... + 37791744.

It is an arithmetic number, because the mean of its divisors is an integer number (1094934150464).

Almost surely, 2^{22012102002012} is an apocalyptic number.

It is an amenable number.

22012102002012 is an abundant number, since it is smaller than the sum of its proper divisors (30544737220260).

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

22012102002012 is a wasteful number, since it uses less digits than its factorization.

22012102002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659738 (or 659736 counting only the distinct ones).

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

Adding to 22012102002012 its reverse (21020020121022), we get a palindrome (43032122123034).

The spelling of 22012102002012 in words is "twenty-two trillion, twelve billion, one hundred two million, two thousand, twelve".