987946129312 has 12 divisors (see below), whose sum is σ = 1945018942146. Its totient is φ = 493973064640.

The previous prime is 987946129253. The next prime is 987946129369. The reversal of 987946129312 is 213921649789.

It can be written as a sum of positive squares in only one way, i.e., 525050956816 + 462895172496 = 724604^2 + 680364^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15436658239 + ... + 15436658302.

Almost surely, 2^987946129312 is an apocalyptic number.

It is an amenable number.

987946129312 is a deficient number, since it is larger than the sum of its proper divisors (957072812834).

987946129312 is a wasteful number, since it uses less digits than its factorization.

987946129312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30873316551 (or 30873316543 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 61.

The spelling of 987946129312 in words is "nine hundred eighty-seven billion, nine hundred forty-six million, one hundred twenty-nine thousand, three hundred twelve".