12987026678350 has 24 divisors (see below), whose sum is σ = 24988830645960. Its totient is φ = 5015679268320.

The previous prime is 12987026678341. The next prime is 12987026678359. The reversal of 12987026678350 is 5387662078921.

It is an interprime number because it is at equal distance from previous prime (12987026678341) and next prime (12987026678359).

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12987026678359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4478283612 + ... + 4478286511.

It is an arithmetic number, because the mean of its divisors is an integer number (1041201276915).

Almost surely, 2^{12987026678350} is an apocalyptic number.

12987026678350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12987026678350 is a deficient number, since it is larger than the sum of its proper divisors (12001803967610).

12987026678350 is a wasteful number, since it uses less digits than its factorization.

12987026678350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956570164 (or 8956570159 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 12987026678350 in words is "twelve trillion, nine hundred eighty-seven billion, twenty-six million, six hundred seventy-eight thousand, three hundred fifty".