12146511641 has 8 divisors (see below), whose sum is σ = 13707662400. Its totient is φ = 10661514640.

The previous prime is 12146511631. The next prime is 12146511647. The reversal of 12146511641 is 14611564121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12146511641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12146511598 and 12146511607.

It is not an unprimeable number, because it can be changed into a prime (12146511647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19038101 + ... + 19038738.

It is an arithmetic number, because the mean of its divisors is an integer number (1713457800).

Almost surely, 2^12146511641 is an apocalyptic number.

12146511641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12146511641 is a deficient number, since it is larger than the sum of its proper divisors (1561150759).

12146511641 is a wasteful number, since it uses less digits than its factorization.

12146511641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38076879.

The product of its digits is 5760, while the sum is 32.

The spelling of 12146511641 in words is "twelve billion, one hundred forty-six million, five hundred eleven thousand, six hundred forty-one".