2142130232144 has 20 divisors (see below), whose sum is σ = 4743288371424. Its totient is φ = 918055813728.

The previous prime is 2142130232131. The next prime is 2142130232147. The reversal of 2142130232144 is 4412320312412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142130232147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9563081282 + ... + 9563081505.

Almost surely, 2^{2142130232144} is an apocalyptic number.

It is an amenable number.

2142130232144 is an abundant number, since it is smaller than the sum of its proper divisors (2601158139280).

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

2142130232144 is a wasteful number, since it uses less digits than its factorization.

2142130232144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19126162802 (or 19126162796 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2142130232144 its reverse (4412320312412), we get a palindrome (6554450544556).

The spelling of 2142130232144 in words is "two trillion, one hundred forty-two billion, one hundred thirty million, two hundred thirty-two thousand, one hundred forty-four".