22212442124412 has 24 divisors (see below), whose sum is σ = 51829197310800. Its totient is φ = 7404123705216.

The previous prime is 22212442124407. The next prime is 22212442124447. The reversal of 22212442124412 is 21442124421222.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183414 + ... + 6769442.

It is an arithmetic number, because the mean of its divisors is an integer number (2159549887950).

Almost surely, 2^{22212442124412} is an apocalyptic number.

It is an amenable number.

22212442124412 is an abundant number, since it is smaller than the sum of its proper divisors (29616755186388).

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

22212442124412 is a wasteful number, since it uses less digits than its factorization.

22212442124412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917405 (or 5917403 counting only the distinct ones).

The product of its digits is 32768, while the sum is 33.

Adding to 22212442124412 its reverse (21442124421222), we get a palindrome (43654566545634).

The spelling of 22212442124412 in words is "twenty-two trillion, two hundred twelve billion, four hundred forty-two million, one hundred twenty-four thousand, four hundred twelve".