13972558212 has 96 divisors (see below), whose sum is σ = 36570441600. Its totient is φ = 4613285376.

The previous prime is 13972558207. The next prime is 13972558217. The reversal of 13972558212 is 21285527931.

13972558212 is a `hidden beast` number, since 1 + 3 + 9 + 72 + 558 + 21 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (13972558207) and next prime (13972558217).

It is not an unprimeable number, because it can be changed into a prime (13972558217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9749848 + ... + 9751280.

It is an arithmetic number, because the mean of its divisors is an integer number (380942100).

Almost surely, 2^13972558212 is an apocalyptic number.

13972558212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13972558212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18285220800).

13972558212 is an abundant number, since it is smaller than the sum of its proper divisors (22597883388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13972558212 is a wasteful number, since it uses less digits than its factorization.

13972558212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2234 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 13972558212 in words is "thirteen billion, nine hundred seventy-two million, five hundred fifty-eight thousand, two hundred twelve".