15154502451212 has 12 divisors (see below), whose sum is σ = 26621217235536. Its totient is φ = 7548440383920.

The previous prime is 15154502451199. The next prime is 15154502451223. The reversal of 15154502451212 is 21215420545151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7202709239 + ... + 7202711342.

It is an arithmetic number, because the mean of its divisors is an integer number (2218434769628).

Almost surely, 2^{15154502451212} is an apocalyptic number.

It is an amenable number.

15154502451212 is a deficient number, since it is larger than the sum of its proper divisors (11466714784324).

15154502451212 is a wasteful number, since it uses less digits than its factorization.

15154502451212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14405420848 (or 14405420846 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 38.

Adding to 15154502451212 its reverse (21215420545151), we get a palindrome (36369922996363).

The spelling of 15154502451212 in words is "fifteen trillion, one hundred fifty-four billion, five hundred two million, four hundred fifty-one thousand, two hundred twelve".