1210201411123 has 4 divisors (see below), whose sum is σ = 1210203708448. Its totient is φ = 1210199113800.

The previous prime is 1210201411103. The next prime is 1210201411163. The reversal of 1210201411123 is 3211141020121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210201411123 - 2⁵ = 1210201411091 is a prime.

It is a super-2 number, since 2×1210201411123² (a number of 25 digits) contains 22 as substring.

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 1210201411123.

It is not an unprimeable number, because it can be changed into a prime (1210201411103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78598 + ... + 1557748.

It is an arithmetic number, because the mean of its divisors is an integer number (302550927112).

Almost surely, 2^{1210201411123} is an apocalyptic number.

1210201411123 is a deficient number, since it is larger than the sum of its proper divisors (2297325).

1210201411123 is an equidigital number, since it uses as much as digits as its factorization.

1210201411123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297324.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1210201411123 its reverse (3211141020121), we get a palindrome (4421342431244).

The spelling of 1210201411123 in words is "one trillion, two hundred ten billion, two hundred one million, four hundred eleven thousand, one hundred twenty-three".