1200100323432 has 64 divisors (see below), whose sum is σ = 3051319896000. Its totient is φ = 393225196544.

The previous prime is 1200100323419. The next prime is 1200100323473. The reversal of 1200100323432 is 2343230010021.

It is a junction number, because it is equal to n+sod(n) for n = 1200100323399 and 1200100323408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31406194 + ... + 31444382.

It is an arithmetic number, because the mean of its divisors is an integer number (47676873375).

Almost surely, 2^{1200100323432} is an apocalyptic number.

1200100323432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200100323432 is an abundant number, since it is smaller than the sum of its proper divisors (1851219572568).

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

1200100323432 is a wasteful number, since it uses less digits than its factorization.

1200100323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60450 (or 60446 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1200100323432 its reverse (2343230010021), we get a palindrome (3543330333453).

The spelling of 1200100323432 in words is "one trillion, two hundred billion, one hundred million, three hundred twenty-three thousand, four hundred thirty-two".