1200233551051 has 16 divisors (see below), whose sum is σ = 1293452755200. Its totient is φ = 1110780636768.

The previous prime is 1200233551039. The next prime is 1200233551063. The reversal of 1200233551051 is 1501553320021.

It is an interprime number because it is at equal distance from previous prime (1200233551039) and next prime (1200233551063).

It is a cyclic number.

It is not a de Polignac number, because 1200233551051 - 2²⁹ = 1199696680139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200233551031) 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, 3787281 + ... + 4091938.

It is an arithmetic number, because the mean of its divisors is an integer number (80840797200).

Almost surely, 2^{1200233551051} is an apocalyptic number.

1200233551051 is a deficient number, since it is larger than the sum of its proper divisors (93219204149).

1200233551051 is a wasteful number, since it uses less digits than its factorization.

1200233551051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7879458.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 1200233551051 its reverse (1501553320021), we get a palindrome (2701786871072).

The spelling of 1200233551051 in words is "one trillion, two hundred billion, two hundred thirty-three million, five hundred fifty-one thousand, fifty-one".