1201310212123 has 8 divisors (see below), whose sum is σ = 1376548455680. Its totient is φ = 1026977593320.

The previous prime is 1201310212027. The next prime is 1201310212133. The reversal of 1201310212123 is 3212120131021.

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

It is not a de Polignac number, because 1201310212123 - 2²¹ = 1201308114971 is a prime.

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 1201310212123.

It is not an unprimeable number, because it can be changed into a prime (1201310212133) 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, 226403343 + ... + 226408648.

It is an arithmetic number, because the mean of its divisors is an integer number (172068556960).

Almost surely, 2^{1201310212123} is an apocalyptic number.

1201310212123 is a deficient number, since it is larger than the sum of its proper divisors (175238243557).

1201310212123 is an equidigital number, since it uses as much as digits as its factorization.

1201310212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452812377.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1201310212123 its reverse (3212120131021), we get a palindrome (4413430343144).

The spelling of 1201310212123 in words is "one trillion, two hundred one billion, three hundred ten million, two hundred twelve thousand, one hundred twenty-three".