120200045451 has 12 divisors (see below), whose sum is σ = 165603396456. Its totient is φ = 77548414560.

The previous prime is 120200045423. The next prime is 120200045461. The reversal of 120200045451 is 154540002021.

It is not a de Polignac number, because 120200045451 - 2⁶ = 120200045387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120200045411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20843466 + ... + 20849231.

It is an arithmetic number, because the mean of its divisors is an integer number (13800283038).

Almost surely, 2^120200045451 is an apocalyptic number.

120200045451 is a deficient number, since it is larger than the sum of its proper divisors (45403351005).

120200045451 is an equidigital number, since it uses as much as digits as its factorization.

120200045451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41692762 (or 41692731 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 120200045451 its reverse (154540002021), we get a palindrome (274740047472).

The spelling of 120200045451 in words is "one hundred twenty billion, two hundred million, forty-five thousand, four hundred fifty-one".