1523739147212 has 12 divisors (see below), whose sum is σ = 2666815589256. Its totient is φ = 761791836000.

The previous prime is 1523739147209. The next prime is 1523739147223. The reversal of 1523739147212 is 2127419373251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19390289 + ... + 19468712.

It is an arithmetic number, because the mean of its divisors is an integer number (222234632438).

Almost surely, 2^{1523739147212} is an apocalyptic number.

It is an amenable number.

1523739147212 is a deficient number, since it is larger than the sum of its proper divisors (1143076442044).

1523739147212 is a wasteful number, since it uses less digits than its factorization.

1523739147212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38868808 (or 38868806 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The spelling of 1523739147212 in words is "one trillion, five hundred twenty-three billion, seven hundred thirty-nine million, one hundred forty-seven thousand, two hundred twelve".