10005515453212 has 6 divisors (see below), whose sum is σ = 17509652043128. Its totient is φ = 5002757726604.

The previous prime is 10005515453189. The next prime is 10005515453243. The reversal of 10005515453212 is 21235451550001.

It is a super-2 number, since 2×10005515453212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250689431648 + ... + 1250689431655.

Almost surely, 2^{10005515453212} is an apocalyptic number.

It is an amenable number.

10005515453212 is a deficient number, since it is larger than the sum of its proper divisors (7504136589916).

10005515453212 is a wasteful number, since it uses less digits than its factorization.

10005515453212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501378863307 (or 2501378863305 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 10005515453212 in words is "ten trillion, five billion, five hundred fifteen million, four hundred fifty-three thousand, two hundred twelve".