1200001542304 has 12 divisors (see below), whose sum is σ = 2362503036474. Its totient is φ = 600000771136.

The previous prime is 1200001542191. The next prime is 1200001542307. The reversal of 1200001542304 is 4032451000021.

It can be written as a sum of positive squares in only one way, i.e., 1194517843600 + 5483698704 = 1092940^2 + 74052^2 .

It is not an unprimeable number, because it can be changed into a prime (1200001542307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18750024067 + ... + 18750024130.

Almost surely, 2^{1200001542304} is an apocalyptic number.

It is an amenable number.

1200001542304 is a deficient number, since it is larger than the sum of its proper divisors (1162501494170).

1200001542304 is an equidigital number, since it uses as much as digits as its factorization.

1200001542304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37500048207 (or 37500048199 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 1200001542304 its reverse (4032451000021), we get a palindrome (5232452542325).

The spelling of 1200001542304 in words is "one trillion, two hundred billion, one million, five hundred forty-two thousand, three hundred four".