140312012 has 12 divisors (see below), whose sum is σ = 246526056. Its totient is φ = 69876000.

The previous prime is 140311981. The next prime is 140312027. The reversal of 140312012 is 210213041.

It is a super-2 number, since 2×140312012² = 39374921422976288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68873 + ... + 70880.

It is an arithmetic number, because the mean of its divisors is an integer number (20543838).

Almost surely, 2^140312012 is an apocalyptic number.

It is an amenable number.

140312012 is a deficient number, since it is larger than the sum of its proper divisors (106214044).

140312012 is a wasteful number, since it uses less digits than its factorization.

140312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140008 (or 140006 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140312012 is about 11845.3371416773. The cubic root of 140312012 is about 519.6348669454.

Adding to 140312012 its reverse (210213041), we get a palindrome (350525053).

The spelling of 140312012 in words is "one hundred forty million, three hundred twelve thousand, twelve".