3102420034072 has 32 divisors (see below), whose sum is σ = 5915808090000. Its totient is φ = 1524872780928.

The previous prime is 3102420034001. The next prime is 3102420034073. The reversal of 3102420034072 is 2704300242013.

It is a super-2 number, since 2×3102420034072² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3102420034072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102420034073) 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, 20138554 + ... + 20292022.

Almost surely, 2^{3102420034072} is an apocalyptic number.

It is an amenable number.

3102420034072 is a deficient number, since it is larger than the sum of its proper divisors (2813388055928).

3102420034072 is a wasteful number, since it uses less digits than its factorization.

3102420034072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196363 (or 196359 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 3102420034072 its reverse (2704300242013), we get a palindrome (5806720276085).

The spelling of 3102420034072 in words is "three trillion, one hundred two billion, four hundred twenty million, thirty-four thousand, seventy-two".