2112131452 has 12 divisors (see below), whose sum is σ = 3698089416. Its totient is φ = 1055534480.

The previous prime is 2112131419. The next prime is 2112131467. The reversal of 2112131452 is 2541312112.

It is a super-2 number, since 2×2112131452² = 8922198541055256608, which 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 3 ways as a sum of consecutive naturals, for example, 123799 + ... + 139822.

It is an arithmetic number, because the mean of its divisors is an integer number (308174118).

Almost surely, 2^2112131452 is an apocalyptic number.

It is an amenable number.

2112131452 is a deficient number, since it is larger than the sum of its proper divisors (1585957964).

2112131452 is a wasteful number, since it uses less digits than its factorization.

2112131452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265628 (or 265626 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 2112131452 is about 45957.9313285531. The cubic root of 2112131452 is about 1283.0403499311.

Adding to 2112131452 its reverse (2541312112), we get a palindrome (4653443564).

The spelling of 2112131452 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, four hundred fifty-two".