13970188121 has 8 divisors (see below), whose sum is σ = 14743864320. Its totient is φ = 13200352272.

The previous prime is 13970188117. The next prime is 13970188129. The reversal of 13970188121 is 12188107931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13970188121 - 2² = 13970188117 is a prime.

It is a super-2 number, since 2×13970188121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13970188129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952610 + ... + 967163.

It is an arithmetic number, because the mean of its divisors is an integer number (1842983040).

Almost surely, 2^13970188121 is an apocalyptic number.

It is an amenable number.

13970188121 is a deficient number, since it is larger than the sum of its proper divisors (773676199).

13970188121 is a wasteful number, since it uses less digits than its factorization.

13970188121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920175.

The product of its (nonzero) digits is 24192, while the sum is 41.

The spelling of 13970188121 in words is "thirteen billion, nine hundred seventy million, one hundred eighty-eight thousand, one hundred twenty-one".