3012074801621 has 2 divisors, whose sum is σ = 3012074801622. Its totient is φ = 3012074801620.

The previous prime is 3012074801569. The next prime is 3012074801651. The reversal of 3012074801621 is 1261084702103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2911848739396 + 100226062225 = 1706414^2 + 316585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3012074801621 is a prime.

It is a super-2 number, since 2×3012074801621² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012074801651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506037400810 + 1506037400811.

It is an arithmetic number, because the mean of its divisors is an integer number (1506037400811).

Almost surely, 2^{3012074801621} is an apocalyptic number.

It is an amenable number.

3012074801621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012074801621 is an equidigital number, since it uses as much as digits as its factorization.

3012074801621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 3012074801621 in words is "three trillion, twelve billion, seventy-four million, eight hundred one thousand, six hundred twenty-one".