21250612203023 has 48 divisors (see below), whose sum is σ = 26107974224640. Its totient is φ = 17212396126464.

The previous prime is 21250612203001. The next prime is 21250612203049. The reversal of 21250612203023 is 32030221605212.

It is not a de Polignac number, because 21250612203023 - 2⁶ = 21250612202959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21250612203083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38824988 + ... + 39368526.

It is an arithmetic number, because the mean of its divisors is an integer number (543916129680).

Almost surely, 2^{21250612203023} is an apocalyptic number.

21250612203023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21250612203023 is a deficient number, since it is larger than the sum of its proper divisors (4857362021617).

21250612203023 is a wasteful number, since it uses less digits than its factorization.

21250612203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543996 (or 543989 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 21250612203023 its reverse (32030221605212), we get a palindrome (53280833808235).

The spelling of 21250612203023 in words is "twenty-one trillion, two hundred fifty billion, six hundred twelve million, two hundred three thousand, twenty-three".