1201020112323 has 12 divisors (see below), whose sum is σ = 1738255755600. Its totient is φ = 799088262576.

The previous prime is 1201020112309. The next prime is 1201020112333. The reversal of 1201020112323 is 3232110201021.

1201020112323 is a `hidden beast` number, since 120 + 10 + 201 + 12 + 323 = 666.

It is not a de Polignac number, because 1201020112323 - 2⁴ = 1201020112307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201020112296 and 1201020112305.

It is not an unprimeable number, because it can be changed into a prime (1201020112333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132646248 + ... + 132655301.

It is an arithmetic number, because the mean of its divisors is an integer number (144854646300).

Almost surely, 2^{1201020112323} is an apocalyptic number.

1201020112323 is a deficient number, since it is larger than the sum of its proper divisors (537235643277).

1201020112323 is a wasteful number, since it uses less digits than its factorization.

1201020112323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265302058 (or 265302055 counting only the distinct ones).

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

Adding to 1201020112323 its reverse (3232110201021), we get a palindrome (4433130313344).

The spelling of 1201020112323 in words is "one trillion, two hundred one billion, twenty million, one hundred twelve thousand, three hundred twenty-three".