21412001037 has 64 divisors (see below), whose sum is σ = 35168000000. Its totient is φ = 11551123584.

The previous prime is 21412001029. The next prime is 21412001053. The reversal of 21412001037 is 73010021412.

It is not a de Polignac number, because 21412001037 - 2³ = 21412001029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412001057) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6117714 + ... + 6121212.

It is an arithmetic number, because the mean of its divisors is an integer number (549500000).

Almost surely, 2^21412001037 is an apocalyptic number.

It is an amenable number.

21412001037 is a deficient number, since it is larger than the sum of its proper divisors (13755998963).

21412001037 is a wasteful number, since it uses less digits than its factorization.

21412001037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855 (or 3841 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 21412001037 its reverse (73010021412), we get a palindrome (94422022449).

The spelling of 21412001037 in words is "twenty-one billion, four hundred twelve million, one thousand, thirty-seven".