21472330701237 has 64 divisors (see below), whose sum is σ = 31657465066752. Its totient is φ = 12861529344000.

The previous prime is 21472330701209. The next prime is 21472330701247. The reversal of 21472330701237 is 73210703327412.

It is not a de Polignac number, because 21472330701237 - 2¹² = 21472330697141 is a prime.

It is a super-2 number, since 2×21472330701237² (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 (21472330701247) 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, 1441959562 + ... + 1441974452.

It is an arithmetic number, because the mean of its divisors is an integer number (494647891668).

Almost surely, 2^{21472330701237} is an apocalyptic number.

It is an amenable number.

21472330701237 is a deficient number, since it is larger than the sum of its proper divisors (10185134365515).

21472330701237 is a wasteful number, since it uses less digits than its factorization.

21472330701237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16982.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 21472330701237 in words is "twenty-one trillion, four hundred seventy-two billion, three hundred thirty million, seven hundred one thousand, two hundred thirty-seven".