1200010130123 has 16 divisors (see below), whose sum is σ = 1376405863680. Its totient is φ = 1024856460576.

The previous prime is 1200010130101. The next prime is 1200010130149. The reversal of 1200010130123 is 3210310100021.

It is a cyclic number.

It is not a de Polignac number, because 1200010130123 - 2⁸ = 1200010129867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200010130098 and 1200010130107.

It is not an unprimeable number, because it can be changed into a prime (1200010130153) 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, 33617561 + ... + 33653237.

It is an arithmetic number, because the mean of its divisors is an integer number (86025366480).

Almost surely, 2^{1200010130123} is an apocalyptic number.

1200010130123 is a deficient number, since it is larger than the sum of its proper divisors (176395733557).

1200010130123 is a wasteful number, since it uses less digits than its factorization.

1200010130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52946.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1200010130123 its reverse (3210310100021), we get a palindrome (4410320230144).

The spelling of 1200010130123 in words is "one trillion, two hundred billion, ten million, one hundred thirty thousand, one hundred twenty-three".