15212884140233 has 4 divisors (see below), whose sum is σ = 16383105997188. Its totient is φ = 14042662283280.

The previous prime is 15212884140197. The next prime is 15212884140239. The reversal of 15212884140233 is 33204148821251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3764053973689 + 11448830166544 = 1940117^2 + 3383612^2 .

It is a cyclic number.

It is not a de Polignac number, because 15212884140233 - 2¹² = 15212884136137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15212884140239) by changing a digit.

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, 585110928458 + ... + 585110928483.

It is an arithmetic number, because the mean of its divisors is an integer number (4095776499297).

Almost surely, 2^{15212884140233} is an apocalyptic number.

15212884140233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15212884140233 is a deficient number, since it is larger than the sum of its proper divisors (1170221856955).

15212884140233 is a wasteful number, since it uses less digits than its factorization.

15212884140233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170221856954.

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 15212884140233 in words is "fifteen trillion, two hundred twelve billion, eight hundred eighty-four million, one hundred forty thousand, two hundred thirty-three".