1200409225431 has 16 divisors (see below), whose sum is σ = 1765705129440. Its totient is φ = 720695969280.

The previous prime is 1200409225429. The next prime is 1200409225441. The reversal of 1200409225431 is 1345229040021.

It is not a de Polignac number, because 1200409225431 - 2¹ = 1200409225429 is a prime.

It is a super-2 number, since 2×1200409225431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200409225392 and 1200409225401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200409225441) 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, 375360886 + ... + 375364083.

It is an arithmetic number, because the mean of its divisors is an integer number (110356570590).

Almost surely, 2^{1200409225431} is an apocalyptic number.

1200409225431 is a deficient number, since it is larger than the sum of its proper divisors (565295904009).

1200409225431 is a wasteful number, since it uses less digits than its factorization.

1200409225431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750725026.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 1200409225431 in words is "one trillion, two hundred billion, four hundred nine million, two hundred twenty-five thousand, four hundred thirty-one".