1200401145715 has 16 divisors (see below), whose sum is σ = 1441812587040. Its totient is φ = 959433672960.

The previous prime is 1200401145709. The next prime is 1200401145719. The reversal of 1200401145715 is 5175411040021.

It is a happy number.

It is not a de Polignac number, because 1200401145715 - 2¹⁵ = 1200401112947 is a prime.

It is a super-2 number, since 2×1200401145715² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200401145719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75598357 + ... + 75614233.

It is an arithmetic number, because the mean of its divisors is an integer number (90113286690).

Almost surely, 2^{1200401145715} is an apocalyptic number.

1200401145715 is a deficient number, since it is larger than the sum of its proper divisors (241411441325).

1200401145715 is a wasteful number, since it uses less digits than its factorization.

1200401145715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28902.

The product of its (nonzero) digits is 5600, while the sum is 31.

Adding to 1200401145715 its reverse (5175411040021), we get a palindrome (6375812185736).

The spelling of 1200401145715 in words is "one trillion, two hundred billion, four hundred one million, one hundred forty-five thousand, seven hundred fifteen".