2112400515147 has 16 divisors (see below), whose sum is σ = 3035419207968. Its totient is φ = 1298983610880.

The previous prime is 2112400515119. The next prime is 2112400515191. The reversal of 2112400515147 is 7415150042112.

It is not a de Polignac number, because 2112400515147 - 2²⁰ = 2112399466571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112400511147) 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, 19845568 + ... + 19951725.

It is an arithmetic number, because the mean of its divisors is an integer number (189713700498).

Almost surely, 2^{2112400515147} is an apocalyptic number.

2112400515147 is a deficient number, since it is larger than the sum of its proper divisors (923018692821).

2112400515147 is a wasteful number, since it uses less digits than its factorization.

2112400515147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39798670.

The product of its (nonzero) digits is 11200, while the sum is 33.

Adding to 2112400515147 its reverse (7415150042112), we get a palindrome (9527550557259).

The spelling of 2112400515147 in words is "two trillion, one hundred twelve billion, four hundred million, five hundred fifteen thousand, one hundred forty-seven".