1200010121323 has 8 divisors (see below), whose sum is σ = 1348506357408. Its totient is φ = 1059540708864.

The previous prime is 1200010121309. The next prime is 1200010121351. The reversal of 1200010121323 is 3231210100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200010121323 - 2⁵ = 1200010121291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200010121297 and 1200010121306.

It is not an unprimeable number, because it can be changed into a prime (1200010181323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006705590 + ... + 2006706187.

It is an arithmetic number, because the mean of its divisors is an integer number (168563294676).

Almost surely, 2^{1200010121323} is an apocalyptic number.

1200010121323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200010121323 is a deficient number, since it is larger than the sum of its proper divisors (148496236085).

1200010121323 is a wasteful number, since it uses less digits than its factorization.

1200010121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013411813.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1200010121323 its reverse (3231210100021), we get a palindrome (4431220221344).

The spelling of 1200010121323 in words is "one trillion, two hundred billion, ten million, one hundred twenty-one thousand, three hundred twenty-three".