201043240972 has 24 divisors (see below), whose sum is σ = 402515655584. Its totient is φ = 86069423232.

The previous prime is 201043240963. The next prime is 201043240973. The reversal of 201043240972 is 279042340102.

It is not an unprimeable number, because it can be changed into a prime (201043240973) 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, 3805203 + ... + 3857674.

Almost surely, 2^201043240972 is an apocalyptic number.

It is an amenable number.

201043240972 is an abundant number, since it is smaller than the sum of its proper divisors (201472414612).

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

201043240972 is a wasteful number, since it uses less digits than its factorization.

201043240972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663825 (or 7663823 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 201043240972 in words is "two hundred one billion, forty-three million, two hundred forty thousand, nine hundred seventy-two".