1200000023201 has 16 divisors (see below), whose sum is σ = 1376638623360. Its totient is φ = 1024664553600.

The previous prime is 1200000023179. The next prime is 1200000023213. The reversal of 1200000023201 is 1023200000021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1200000023201 - 2¹⁸ = 1199999761057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200000053201) 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, 38022710 + ... + 38054256.

It is an arithmetic number, because the mean of its divisors is an integer number (86039913960).

Almost surely, 2^{1200000023201} is an apocalyptic number.

It is an amenable number.

1200000023201 is a deficient number, since it is larger than the sum of its proper divisors (176638600159).

1200000023201 is a wasteful number, since it uses less digits than its factorization.

1200000023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52024.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1200000023201 its reverse (1023200000021), we get a palindrome (2223200023222).

The spelling of 1200000023201 in words is "one trillion, two hundred billion, twenty-three thousand, two hundred one".