2142512332 has 48 divisors (see below), whose sum is σ = 3900705760. Its totient is φ = 1029169152.

The previous prime is 2142512303. The next prime is 2142512369. The reversal of 2142512332 is 2332152412.

It is a junction number, because it is equal to n+sod(n) for n = 2142512297 and 2142512306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897144 + ... + 1898272.

Almost surely, 2^2142512332 is an apocalyptic number.

It is an amenable number.

2142512332 is a deficient number, since it is larger than the sum of its proper divisors (1758193428).

2142512332 is a wasteful number, since it uses less digits than its factorization.

2142512332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1368 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 2142512332 is about 46287.2804558661. The cubic root of 2142512332 is about 1289.1628348285.

Adding to 2142512332 its reverse (2332152412), we get a palindrome (4474664744).

The spelling of 2142512332 in words is "two billion, one hundred forty-two million, five hundred twelve thousand, three hundred thirty-two".