6940006121231 has 8 divisors (see below), whose sum is σ = 7164505456128. Its totient is φ = 6715546047000.

The previous prime is 6940006121189. The next prime is 6940006121239. The reversal of 6940006121231 is 1321216000496.

6940006121231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6940006121231 - 2²² = 6940001926927 is a prime.

It is a super-2 number, since 2×6940006121231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6940006121191 and 6940006121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940006121239) 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, 9455705 + ... + 10163186.

It is an arithmetic number, because the mean of its divisors is an integer number (895563182016).

Almost surely, 2^{6940006121231} is an apocalyptic number.

6940006121231 is a deficient number, since it is larger than the sum of its proper divisors (224499334897).

6940006121231 is a wasteful number, since it uses less digits than its factorization.

6940006121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19630333.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 6940006121231 in words is "six trillion, nine hundred forty billion, six million, one hundred twenty-one thousand, two hundred thirty-one".