3056721612252 has 192 divisors, whose sum is σ = 9073086317568. Its totient is φ = 777853440000.

The previous prime is 3056721612251. The next prime is 3056721612293. The reversal of 3056721612252 is 2522161276503.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3056721612251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34284852 + ... + 34373892.

It is an arithmetic number, because the mean of its divisors is an integer number (47255657904).

Almost surely, 2^{3056721612252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3056721612252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4536543158784).

3056721612252 is an abundant number, since it is smaller than the sum of its proper divisors (6016364705316).

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

3056721612252 is a wasteful number, since it uses less digits than its factorization.

3056721612252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89820 (or 89818 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

Adding to 3056721612252 its reverse (2522161276503), we get a palindrome (5578882888755).

The spelling of 3056721612252 in words is "three trillion, fifty-six billion, seven hundred twenty-one million, six hundred twelve thousand, two hundred fifty-two".