11312001122032 has 80 divisors (see below), whose sum is σ = 24458422998240. Its totient is φ = 5032302621696.

The previous prime is 11312001121999. The next prime is 11312001122083. The reversal of 11312001122032 is 23022110021311.

It is a super-2 number, since 2×11312001122032² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943398 + ... + 5138170.

It is an arithmetic number, because the mean of its divisors is an integer number (305730287478).

Almost surely, 2^{11312001122032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11312001122032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12229211499120).

11312001122032 is an abundant number, since it is smaller than the sum of its proper divisors (13146421876208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11312001122032 is a wasteful number, since it uses less digits than its factorization.

11312001122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195410 (or 3195404 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11312001122032 its reverse (23022110021311), we get a palindrome (34334111143343).

The spelling of 11312001122032 in words is "eleven trillion, three hundred twelve billion, one million, one hundred twenty-two thousand, thirty-two".