1200324431000 has 64 divisors (see below), whose sum is σ = 2820814476480. Its totient is φ = 478069036800.

The previous prime is 1200324430999. The next prime is 1200324431003. The reversal of 1200324431000 is 1344230021.

It is a super-2 number, since 2×1200324431000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200324431003) 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, 2342804 + ... + 2808803.

It is an arithmetic number, because the mean of its divisors is an integer number (44075226195).

Almost surely, 2^{1200324431000} is an apocalyptic number.

1200324431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200324431000 is an abundant number, since it is smaller than the sum of its proper divisors (1620490045480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200324431000 is a wasteful number, since it uses less digits than its factorization.

1200324431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151861 (or 5151847 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1200324431000 its reverse (1344230021), we get a palindrome (1201668661021).

The spelling of 1200324431000 in words is "one trillion, two hundred billion, three hundred twenty-four million, four hundred thirty-one thousand".