22016251503412 has 12 divisors (see below), whose sum is σ = 38528604112516. Its totient is φ = 11008078899840.

The previous prime is 22016251503403. The next prime is 22016251503419. The reversal of 22016251503412 is 21430515261022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8147747789476 + 13868503713936 = 2854426^2 + 3724044^2 .

It is a super-2 number, since 2×22016251503412² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22016251503419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10644843 + ... + 12543730.

Almost surely, 2^{22016251503412} is an apocalyptic number.

It is an amenable number.

22016251503412 is a deficient number, since it is larger than the sum of its proper divisors (16512352609104).

22016251503412 is a wasteful number, since it uses less digits than its factorization.

22016251503412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23425938 (or 23425936 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 22016251503412 its reverse (21430515261022), we get a palindrome (43446766764434).

The spelling of 22016251503412 in words is "twenty-two trillion, sixteen billion, two hundred fifty-one million, five hundred three thousand, four hundred twelve".