312032120011 has 4 divisors (see below), whose sum is σ = 313665796224. Its totient is φ = 310398443800.

The previous prime is 312032119981. The next prime is 312032120051. The reversal of 312032120011 is 110021230213.

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 312032120011 - 2¹¹ = 312032117963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312032120051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816837820 + ... + 816838201.

It is an arithmetic number, because the mean of its divisors is an integer number (78416449056).

Almost surely, 2^312032120011 is an apocalyptic number.

312032120011 is a deficient number, since it is larger than the sum of its proper divisors (1633676213).

312032120011 is a wasteful number, since it uses less digits than its factorization.

312032120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633676212.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312032120011 its reverse (110021230213), we get a palindrome (422053350224).

The spelling of 312032120011 in words is "three hundred twelve billion, thirty-two million, one hundred twenty thousand, eleven".