1200123002342 has 64 divisors (see below), whose sum is σ = 2102301444096. Its totient is φ = 507764060160.

The previous prime is 1200123002341. The next prime is 1200123002363. The reversal of 1200123002342 is 2432003210021.

It is a super-2 number, since 2×1200123002342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200123002341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53934263 + ... + 53956509.

It is an arithmetic number, because the mean of its divisors is an integer number (32848460064).

Almost surely, 2^{1200123002342} is an apocalyptic number.

1200123002342 is a deficient number, since it is larger than the sum of its proper divisors (902178441754).

1200123002342 is a wasteful number, since it uses less digits than its factorization.

1200123002342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23861.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1200123002342 its reverse (2432003210021), we get a palindrome (3632126212363).

The spelling of 1200123002342 in words is "one trillion, two hundred billion, one hundred twenty-three million, two thousand, three hundred forty-two".