1200512432451 has 16 divisors (see below), whose sum is σ = 1636969828896. Its totient is φ = 782392375296.

The previous prime is 1200512432381. The next prime is 1200512432467. The reversal of 1200512432451 is 1542342150021.

It is not a de Polignac number, because 1200512432451 - 2¹⁴ = 1200512416067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200512432051) 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, 24230970 + ... + 24280463.

It is an arithmetic number, because the mean of its divisors is an integer number (102310614306).

Almost surely, 2^{1200512432451} is an apocalyptic number.

1200512432451 is a deficient number, since it is larger than the sum of its proper divisors (436457396445).

1200512432451 is a wasteful number, since it uses less digits than its factorization.

1200512432451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48511622.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1200512432451 its reverse (1542342150021), we get a palindrome (2742854582472).

The spelling of 1200512432451 in words is "one trillion, two hundred billion, five hundred twelve million, four hundred thirty-two thousand, four hundred fifty-one".