1200402344401 has 32 divisors (see below), whose sum is σ = 1368800326656. Its totient is φ = 1044779904000.

The previous prime is 1200402344359. The next prime is 1200402344507. The reversal of 1200402344401 is 1044432040021.

It is a cyclic number.

It is not a de Polignac number, because 1200402344401 - 2¹³ = 1200402336209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200402342401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12526270 + ... + 12621736.

It is an arithmetic number, because the mean of its divisors is an integer number (42775010208).

Almost surely, 2^{1200402344401} is an apocalyptic number.

It is an amenable number.

1200402344401 is a deficient number, since it is larger than the sum of its proper divisors (168397982255).

1200402344401 is a wasteful number, since it uses less digits than its factorization.

1200402344401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96313.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1200402344401 its reverse (1044432040021), we get a palindrome (2244834384422).

The spelling of 1200402344401 in words is "one trillion, two hundred billion, four hundred two million, three hundred forty-four thousand, four hundred one".