1240194012 has 24 divisors (see below), whose sum is σ = 2905322112. Its totient is φ = 411750000.

The previous prime is 1240193963. The next prime is 1240194023. The reversal of 1240194012 is 2104910421.

It is a super-2 number, since 2×1240194012² = 3076162374801312288, 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 in 7 ways as a sum of consecutive naturals, for example, 202864 + ... + 208887.

It is an arithmetic number, because the mean of its divisors is an integer number (121055088).

Almost surely, 2^1240194012 is an apocalyptic number.

1240194012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240194012 is an abundant number, since it is smaller than the sum of its proper divisors (1665128100).

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

1240194012 is a wasteful number, since it uses less digits than its factorization.

1240194012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412009 (or 412007 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1240194012 is about 35216.3884008568. The cubic root of 1240194012 is about 1074.3930987885.

The spelling of 1240194012 in words is "one billion, two hundred forty million, one hundred ninety-four thousand, twelve".