722012112001 has 8 divisors (see below), whose sum is σ = 724630725000. Its totient is φ = 719393848320.

The previous prime is 722012111983. The next prime is 722012112013. The reversal of 722012112001 is 100211210227.

It can be written as a sum of positive squares in 4 ways, for example, as 130957134400 + 591054977601 = 361880^2 + 768801^2 .

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 722012112001 - 2¹³ = 722012103809 is a prime.

It is a super-2 number, since 2×722012112001² (a number of 25 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 722012112001.

It is not an unprimeable number, because it can be changed into a prime (722012112091) 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, 4486905 + ... + 4645033.

It is an arithmetic number, because the mean of its divisors is an integer number (90578840625).

Almost surely, 2^722012112001 is an apocalyptic number.

It is an amenable number.

722012112001 is a deficient number, since it is larger than the sum of its proper divisors (2618612999).

722012112001 is a wasteful number, since it uses less digits than its factorization.

722012112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174659.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 722012112001 its reverse (100211210227), we get a palindrome (822223322228).

The spelling of 722012112001 in words is "seven hundred twenty-two billion, twelve million, one hundred twelve thousand, one".