2112402045 has 64 divisors (see below), whose sum is σ = 3846931200. Its totient is φ = 981227520.

The previous prime is 2112401989. The next prime is 2112402059. The reversal of 2112402045 is 5402042112.

It is not a de Polignac number, because 2112402045 - 2¹² = 2112397949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1040091 + ... + 1042119.

It is an arithmetic number, because the mean of its divisors is an integer number (60108300).

Almost surely, 2^2112402045 is an apocalyptic number.

It is an amenable number.

2112402045 is a deficient number, since it is larger than the sum of its proper divisors (1734529155).

2112402045 is a wasteful number, since it uses less digits than its factorization.

2112402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2112402045 is about 45960.8751548532. The cubic root of 2112402045 is about 1283.0951392786.

Adding to 2112402045 its reverse (5402042112), we get a palindrome (7514444157).

The spelling of 2112402045 in words is "two billion, one hundred twelve million, four hundred two thousand, forty-five".