1231452512 has 12 divisors (see below), whose sum is σ = 2424422196. Its totient is φ = 615726240.

The previous prime is 1231452493. The next prime is 1231452559. The reversal of 1231452512 is 2152541321.

It is a super-2 number, since 2×1231452512² = 3032950578622220288, 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 as a sum of consecutive naturals, namely, 19241414 + ... + 19241477.

It is an arithmetic number, because the mean of its divisors is an integer number (202035183).

Almost surely, 2^1231452512 is an apocalyptic number.

It is an amenable number.

1231452512 is a deficient number, since it is larger than the sum of its proper divisors (1192969684).

1231452512 is an equidigital number, since it uses as much as digits as its factorization.

1231452512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38482901 (or 38482893 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1231452512 is about 35092.0576769160. The cubic root of 1231452512 is about 1071.8628602319.

Adding to 1231452512 its reverse (2152541321), we get a palindrome (3383993833).

The spelling of 1231452512 in words is "one billion, two hundred thirty-one million, four hundred fifty-two thousand, five hundred twelve".