72012112022311 has 4 divisors (see below), whose sum is σ = 75802223181400. Its totient is φ = 68222000863224.

The previous prime is 72012112022309. The next prime is 72012112022341. The reversal of 72012112022311 is 11322021121027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72012112022311 - 2¹ = 72012112022309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72012112022341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895055579516 + ... + 1895055579553.

It is an arithmetic number, because the mean of its divisors is an integer number (18950555795350).

Almost surely, 2^{72012112022311} is an apocalyptic number.

72012112022311 is a deficient number, since it is larger than the sum of its proper divisors (3790111159089).

72012112022311 is a wasteful number, since it uses less digits than its factorization.

72012112022311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790111159088.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 72012112022311 its reverse (11322021121027), we get a palindrome (83334133143338).

The spelling of 72012112022311 in words is "seventy-two trillion, twelve billion, one hundred twelve million, twenty-two thousand, three hundred eleven".