1012142431232 has 22 divisors (see below), whose sum is σ = 2023296444168. Its totient is φ = 506071215104.

The previous prime is 1012142431189. The next prime is 1012142431247. The reversal of 1012142431232 is 2321342412101.

It is a happy number.

It is a super-2 number, since 2×1012142431232² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494209148 + ... + 494211195.

Almost surely, 2^{1012142431232} is an apocalyptic number.

It is an amenable number.

1012142431232 is a deficient number, since it is larger than the sum of its proper divisors (1011154012936).

1012142431232 is an frugal number, since it uses more digits than its factorization.

1012142431232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988420363 (or 988420345 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1012142431232 its reverse (2321342412101), we get a palindrome (3333484843333).

The spelling of 1012142431232 in words is "one trillion, twelve billion, one hundred forty-two million, four hundred thirty-one thousand, two hundred thirty-two".