7212882433761 has 15 divisors (see below), whose sum is σ = 10774835792611. Its totient is φ = 4808572175088.

The previous prime is 7212882433753. The next prime is 7212882433781. The reversal of 7212882433761 is 1673342882127.

It is a happy number.

The square root of 7212882433761 is 2685681.

It is a perfect power (a square), and thus also a powerful number.

7212882433761 is a `hidden beast` number, since 7 + 2 + 1 + 28 + 8 + 243 + 376 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1754117473761 + 5458764960000 = 1324431^2 + 2336400^2 .

It is not a de Polignac number, because 7212882433761 - 2³ = 7212882433753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7212882433698 and 7212882433707.

It is not an unprimeable number, because it can be changed into a prime (7212882433781) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 24021925 + ... + 24320333.

Almost surely, 2^{7212882433761} is an apocalyptic number.

7212882433761 is the 2685681-st square number.

7212882433761 is the 1342841-st centered octagonal number.

It is an amenable number.

7212882433761 is a deficient number, since it is larger than the sum of its proper divisors (3561953358850).

7212882433761 is an frugal number, since it uses more digits than its factorization.

7212882433761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596830 (or 298412 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 7212882433761 in words is "seven trillion, two hundred twelve billion, eight hundred eighty-two million, four hundred thirty-three thousand, seven hundred sixty-one".