12143542901 has 16 divisors (see below), whose sum is σ = 14697751680. Its totient is φ = 9794442240.

The previous prime is 12143542897. The next prime is 12143542913. The reversal of 12143542901 is 10924534121.

It is a cyclic number.

It is not a de Polignac number, because 12143542901 - 2² = 12143542897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143542981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880781 + ... + 894461.

It is an arithmetic number, because the mean of its divisors is an integer number (918609480).

Almost surely, 2^12143542901 is an apocalyptic number.

It is an amenable number.

12143542901 is a deficient number, since it is larger than the sum of its proper divisors (2554208779).

12143542901 is a wasteful number, since it uses less digits than its factorization.

12143542901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21164.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 12143542901 in words is "twelve billion, one hundred forty-three million, five hundred forty-two thousand, nine hundred one".