103556440012 has 24 divisors (see below), whose sum is σ = 190932800240. Its totient is φ = 49009095360.

The previous prime is 103556439971. The next prime is 103556440021. The reversal of 103556440012 is 210044655301.

It is a happy number.

It is a super-3 number, since 3×103556440012³ (a number of 34 digits) contains 333 as substring.

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, 525039 + ... + 694822.

Almost surely, 2^103556440012 is an apocalyptic number.

It is an amenable number.

103556440012 is a deficient number, since it is larger than the sum of its proper divisors (87376360228).

103556440012 is a wasteful number, since it uses less digits than its factorization.

103556440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221001 (or 1220999 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 103556440012 in words is "one hundred three billion, five hundred fifty-six million, four hundred forty thousand, twelve".