7421528112712 has 32 divisors (see below), whose sum is σ = 15906791160000. Its totient is φ = 3179951578944.

The previous prime is 7421528112709. The next prime is 7421528112721. The reversal of 7421528112712 is 2172118251247.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14397087 + ... + 14903662.

It is an arithmetic number, because the mean of its divisors is an integer number (497087223750).

Almost surely, 2^{7421528112712} is an apocalyptic number.

It is an amenable number.

7421528112712 is an abundant number, since it is smaller than the sum of its proper divisors (8485263047288).

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

7421528112712 is a wasteful number, since it uses less digits than its factorization.

7421528112712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29305285 (or 29305281 counting only the distinct ones).

The product of its digits is 125440, while the sum is 43.

The spelling of 7421528112712 in words is "seven trillion, four hundred twenty-one billion, five hundred twenty-eight million, one hundred twelve thousand, seven hundred twelve".