7120420512722 has 16 divisors (see below), whose sum is σ = 12053376417600. Its totient is φ = 3124949441040.

The previous prime is 7120420512721. The next prime is 7120420512727. The reversal of 7120420512722 is 2272150240217.

It is not an unprimeable number, because it can be changed into a prime (7120420512721) 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, 5580266222 + ... + 5580267497.

It is an arithmetic number, because the mean of its divisors is an integer number (753336026100).

Almost surely, 2^{7120420512722} is an apocalyptic number.

7120420512722 is a deficient number, since it is larger than the sum of its proper divisors (4932955904878).

7120420512722 is a wasteful number, since it uses less digits than its factorization.

7120420512722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160533761.

The product of its (nonzero) digits is 31360, while the sum is 35.

Adding to 7120420512722 its reverse (2272150240217), we get a palindrome (9392570752939).

The spelling of 7120420512722 in words is "seven trillion, one hundred twenty billion, four hundred twenty million, five hundred twelve thousand, seven hundred twenty-two".