1200040431043 has 16 divisors (see below), whose sum is σ = 1229594572800. Its totient is φ = 1170562204224.

The previous prime is 1200040431041. The next prime is 1200040431049. The reversal of 1200040431043 is 3401340400021.

It is a cyclic number.

It is not a de Polignac number, because 1200040431043 - 2¹ = 1200040431041 is a prime.

It is a super-2 number, since 2×1200040431043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200040431041) 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, 130448758 + ... + 130457956.

It is an arithmetic number, because the mean of its divisors is an integer number (76849660800).

Almost surely, 2^{1200040431043} is an apocalyptic number.

1200040431043 is a deficient number, since it is larger than the sum of its proper divisors (29554141757).

1200040431043 is a wasteful number, since it uses less digits than its factorization.

1200040431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12978.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1200040431043 its reverse (3401340400021), we get a palindrome (4601380831064).

The spelling of 1200040431043 in words is "one trillion, two hundred billion, forty million, four hundred thirty-one thousand, forty-three".