12701392221 has 16 divisors (see below), whose sum is σ = 19428102144. Its totient is φ = 7230338544.

The previous prime is 12701392163. The next prime is 12701392271. The reversal of 12701392221 is 12229310721.

It is not a de Polignac number, because 12701392221 - 2⁶ = 12701392157 is a prime.

It is a super-2 number, since 2×12701392221² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701392271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144341 + ... + 1155386.

It is an arithmetic number, because the mean of its divisors is an integer number (1214256384).

Almost surely, 2^12701392221 is an apocalyptic number.

It is an amenable number.

12701392221 is a deficient number, since it is larger than the sum of its proper divisors (6726709923).

12701392221 is a wasteful number, since it uses less digits than its factorization.

12701392221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300000.

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 12701392221 in words is "twelve billion, seven hundred one million, three hundred ninety-two thousand, two hundred twenty-one".