1230231021201 has 96 divisors (see below), whose sum is σ = 2221220671488. Its totient is φ = 638852935680.

The previous prime is 1230231021193. The next prime is 1230231021241. The reversal of 1230231021201 is 1021201320321.

1230231021201 is a `hidden beast` number, since 1 + 230 + 2 + 310 + 2 + 120 + 1 = 666.

It is not a de Polignac number, because 1230231021201 - 2³ = 1230231021193 is a prime.

It is a super-2 number, since 2×1230231021201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230231021241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15133075 + ... + 15214151.

It is an arithmetic number, because the mean of its divisors is an integer number (23137715328).

Almost surely, 2^{1230231021201} is an apocalyptic number.

It is an amenable number.

1230231021201 is a deficient number, since it is larger than the sum of its proper divisors (990989650287).

1230231021201 is a wasteful number, since it uses less digits than its factorization.

1230231021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81391 (or 81388 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1230231021201 its reverse (1021201320321), we get a palindrome (2251432341522).

The spelling of 1230231021201 in words is "one trillion, two hundred thirty billion, two hundred thirty-one million, twenty-one thousand, two hundred one".