1292404012 has 24 divisors (see below), whose sum is σ = 2339456000. Its totient is φ = 624073680.

The previous prime is 1292404007. The next prime is 1292404031. The reversal of 1292404012 is 2104042921.

It is a super-2 number, since 2×1292404012² = 3340616260467392288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51433 + ... + 72319.

Almost surely, 2^1292404012 is an apocalyptic number.

It is an amenable number.

1292404012 is a deficient number, since it is larger than the sum of its proper divisors (1047051988).

1292404012 is a wasteful number, since it uses less digits than its factorization.

1292404012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21421 (or 21419 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1292404012 is about 35950.0210292011. The cubic root of 1292404012 is about 1089.2630352123.

Adding to 1292404012 its reverse (2104042921), we get a palindrome (3396446933).

The spelling of 1292404012 in words is "one billion, two hundred ninety-two million, four hundred four thousand, twelve".