101515102412 has 24 divisors (see below), whose sum is σ = 181850402496. Its totient is φ = 49562834688.

The previous prime is 101515102343. The next prime is 101515102471. The reversal of 101515102412 is 214201515101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542123 + ... + 704930.

It is an arithmetic number, because the mean of its divisors is an integer number (7577100104).

Almost surely, 2^101515102412 is an apocalyptic number.

It is an amenable number.

101515102412 is a deficient number, since it is larger than the sum of its proper divisors (80335300084).

101515102412 is a wasteful number, since it uses less digits than its factorization.

101515102412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247537 (or 1247535 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 101515102412 its reverse (214201515101), we get a palindrome (315716617513).

The spelling of 101515102412 in words is "one hundred one billion, five hundred fifteen million, one hundred two thousand, four hundred twelve".