1231132045104 has 160 divisors (see below), whose sum is σ = 3886607907840. Its totient is φ = 370749996288.

The previous prime is 1231132045063. The next prime is 1231132045111. The reversal of 1231132045104 is 4015402311321.

1231132045104 is a `hidden beast` number, since 1 + 231 + 1 + 320 + 4 + 5 + 104 = 666.

It is a super-2 number, since 2×1231132045104² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2068162 + ... + 2596065.

It is an arithmetic number, because the mean of its divisors is an integer number (24291299424).

Almost surely, 2^{1231132045104} is an apocalyptic number.

It is an amenable number.

1231132045104 is an abundant number, since it is smaller than the sum of its proper divisors (2655475862736).

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

1231132045104 is a wasteful number, since it uses less digits than its factorization.

1231132045104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664304 (or 4664292 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1231132045104 its reverse (4015402311321), we get a palindrome (5246534356425).

The spelling of 1231132045104 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-two million, forty-five thousand, one hundred four".