1231042412 has 6 divisors (see below), whose sum is σ = 2154324228. Its totient is φ = 615521204.

The previous prime is 1231042391. The next prime is 1231042441. The reversal of 1231042412 is 2142401321.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153880298 + ... + 153880305.

It is an arithmetic number, because the mean of its divisors is an integer number (359054038).

Almost surely, 2^1231042412 is an apocalyptic number.

It is an amenable number.

1231042412 is a deficient number, since it is larger than the sum of its proper divisors (923281816).

1231042412 is a wasteful number, since it uses less digits than its factorization.

1231042412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307760607 (or 307760605 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1231042412 is about 35086.2139878329. The cubic root of 1231042412 is about 1071.7438626094.

Adding to 1231042412 its reverse (2142401321), we get a palindrome (3373443733).

The spelling of 1231042412 in words is "one billion, two hundred thirty-one million, forty-two thousand, four hundred twelve".