21153002200612 has 48 divisors (see below), whose sum is σ = 37605279059712. Its totient is φ = 10409904673920.

The previous prime is 21153002200559. The next prime is 21153002200651. The reversal of 21153002200612 is 21600220035112.

It is a super-2 number, since 2×21153002200612² (a number of 27 digits) contains 22 as substring.

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, 1082483562 + ... + 1082503102.

It is an arithmetic number, because the mean of its divisors is an integer number (783443313744).

Almost surely, 2^{21153002200612} is an apocalyptic number.

It is an amenable number.

21153002200612 is a deficient number, since it is larger than the sum of its proper divisors (16452276859100).

21153002200612 is a wasteful number, since it uses less digits than its factorization.

21153002200612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35548 (or 35546 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 21153002200612 its reverse (21600220035112), we get a palindrome (42753222235724).

The spelling of 21153002200612 in words is "twenty-one trillion, one hundred fifty-three billion, two million, two hundred thousand, six hundred twelve".