12172601350 has 48 divisors (see below), whose sum is σ = 27865903968. Its totient is φ = 3852426240.

The previous prime is 12172601291. The next prime is 12172601377. The reversal of 12172601350 is 5310627121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1333099 + ... + 1342198.

It is an arithmetic number, because the mean of its divisors is an integer number (580539666).

Almost surely, 2^12172601350 is an apocalyptic number.

12172601350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12172601350 is an abundant number, since it is smaller than the sum of its proper divisors (15693302618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12172601350 is a wasteful number, since it uses less digits than its factorization.

12172601350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675329 (or 2675324 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 12172601350 in words is "twelve billion, one hundred seventy-two million, six hundred one thousand, three hundred fifty".