1232985939201 has 9 divisors (see below), whose sum is σ = 1780984501699. Its totient is φ = 821988405336.

The previous prime is 1232985939131. The next prime is 1232985939221. The reversal of 1232985939201 is 1029395892321.

The square root of 1232985939201 is 1110399.

It is a perfect power (a square), and thus also a powerful number.

1232985939201 is a `hidden beast` number, since 1 + 2 + 3 + 29 + 8 + 593 + 9 + 20 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 615699162225 + 617286776976 = 784665^2 + 785676^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1232985939201 - 2³³ = 1224396004609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232985939221) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3146131 + ... + 3516263.

Almost surely, 2^{1232985939201} is an apocalyptic number.

1232985939201 is the 1110399-th square number.

1232985939201 is the 555200-th centered octagonal number.

It is an amenable number.

1232985939201 is a deficient number, since it is larger than the sum of its proper divisors (547998562498).

1232985939201 is an frugal number, since it uses more digits than its factorization.

1232985939201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740272 (or 370136 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 1232985939201 in words is "one trillion, two hundred thirty-two billion, nine hundred eighty-five million, nine hundred thirty-nine thousand, two hundred one".