22012412031 has 12 divisors (see below), whose sum is σ = 31856741280. Its totient is φ = 14646771360.

The previous prime is 22012411979. The next prime is 22012412053. The reversal of 22012412031 is 13021421022.

It is a happy number.

22012412031 is a `hidden beast` number, since 220 + 1 + 2 + 412 + 0 + 31 = 666.

It is not a de Polignac number, because 22012412031 - 2¹¹ = 22012409983 is a prime.

It is a super-2 number, since 2×22012412031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22012411995 and 22012412013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012412731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2342551 + ... + 2351928.

It is an arithmetic number, because the mean of its divisors is an integer number (2654728440).

Almost surely, 2^22012412031 is an apocalyptic number.

22012412031 is a deficient number, since it is larger than the sum of its proper divisors (9844329249).

22012412031 is a wasteful number, since it uses less digits than its factorization.

22012412031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695006 (or 4695003 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22012412031 its reverse (13021421022), we get a palindrome (35033833053).

The spelling of 22012412031 in words is "twenty-two billion, twelve million, four hundred twelve thousand, thirty-one".