1200051130145 has 16 divisors (see below), whose sum is σ = 1648392653568. Its totient is φ = 821588080320.

The previous prime is 1200051130129. The next prime is 1200051130151. The reversal of 1200051130145 is 5410311500021.

It is not a de Polignac number, because 1200051130145 - 2⁴ = 1200051130129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200051130145.

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, 27146834 + ... + 27191003.

It is an arithmetic number, because the mean of its divisors is an integer number (103024540848).

Almost surely, 2^{1200051130145} is an apocalyptic number.

It is an amenable number.

1200051130145 is a deficient number, since it is larger than the sum of its proper divisors (448341523423).

1200051130145 is an equidigital number, since it uses as much as digits as its factorization.

1200051130145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54338480.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 1200051130145 its reverse (5410311500021), we get a palindrome (6610362630166).

The spelling of 1200051130145 in words is "one trillion, two hundred billion, fifty-one million, one hundred thirty thousand, one hundred forty-five".