22013021012 has 24 divisors (see below), whose sum is σ = 39778002432. Its totient is φ = 10648101600.

The previous prime is 22013020957. The next prime is 22013021021. The reversal of 22013021012 is 21012031022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391937 + ... + 444567.

It is an arithmetic number, because the mean of its divisors is an integer number (1657416768).

Almost surely, 2^22013021012 is an apocalyptic number.

It is an amenable number.

22013021012 is a deficient number, since it is larger than the sum of its proper divisors (17764981420).

22013021012 is a wasteful number, since it uses less digits than its factorization.

22013021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56039 (or 56037 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22013021012 its reverse (21012031022), we get a palindrome (43025052034).

It can be divided in two parts, 220130 and 21012, that added together give a palindrome (241142).

The spelling of 22013021012 in words is "twenty-two billion, thirteen million, twenty-one thousand, twelve".