12011302201031 has 16 divisors (see below), whose sum is σ = 13746337660224. Its totient is φ = 10281053205504.

The previous prime is 12011302200973. The next prime is 12011302201079. The reversal of 12011302201031 is 13010220311021.

It is a cyclic number.

It is not a de Polignac number, because 12011302201031 - 2²² = 12011298006727 is a prime.

It is a super-2 number, since 2×12011302201031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011302201081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56585111 + ... + 56796983.

It is an arithmetic number, because the mean of its divisors is an integer number (859146103764).

Almost surely, 2^{12011302201031} is an apocalyptic number.

12011302201031 is a deficient number, since it is larger than the sum of its proper divisors (1735035459193).

12011302201031 is a wasteful number, since it uses less digits than its factorization.

12011302201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223130.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12011302201031 its reverse (13010220311021), we get a palindrome (25021522512052).

The spelling of 12011302201031 in words is "twelve trillion, eleven billion, three hundred two million, two hundred one thousand, thirty-one".