7212842790857 has 8 divisors (see below), whose sum is σ = 8035971852672. Its totient is φ = 6417616409200.

The previous prime is 7212842790827. The next prime is 7212842790919. The reversal of 7212842790857 is 7580972482127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7212842790857 - 2¹⁰ = 7212842789833 is a prime.

It is a super-2 number, since 2×7212842790857² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7212842790857.

It is not an unprimeable number, because it can be changed into a prime (7212842790827) 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, 6975669494 + ... + 6975670527.

It is an arithmetic number, because the mean of its divisors is an integer number (1004496481584).

Almost surely, 2^{7212842790857} is an apocalyptic number.

It is an amenable number.

7212842790857 is a deficient number, since it is larger than the sum of its proper divisors (823129061815).

7212842790857 is a wasteful number, since it uses less digits than its factorization.

7212842790857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13951340079.

The product of its (nonzero) digits is 31610880, while the sum is 62.

The spelling of 7212842790857 in words is "seven trillion, two hundred twelve billion, eight hundred forty-two million, seven hundred ninety thousand, eight hundred fifty-seven".