13531151212 has 6 divisors (see below), whose sum is σ = 23679514628. Its totient is φ = 6765575604.

The previous prime is 13531151197. The next prime is 13531151233. The reversal of 13531151212 is 21215113531.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1691393898 + ... + 1691393905.

Almost surely, 2^13531151212 is an apocalyptic number.

It is an amenable number.

13531151212 is a deficient number, since it is larger than the sum of its proper divisors (10148363416).

13531151212 is a wasteful number, since it uses less digits than its factorization.

13531151212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382787807 (or 3382787805 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

Adding to 13531151212 its reverse (21215113531), we get a palindrome (34746264743).

The spelling of 13531151212 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-one thousand, two hundred twelve".