1230302123101 has 4 divisors (see below), whose sum is σ = 1230421707900. Its totient is φ = 1230182538304.

The previous prime is 1230302123087. The next prime is 1230302123123. The reversal of 1230302123101 is 1013212030321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1083574820601 + 146727302500 = 1040949^2 + 383050^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230302123101 - 2³³ = 1221712188509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230302123161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59776966 + ... + 59797543.

It is an arithmetic number, because the mean of its divisors is an integer number (307605426975).

Almost surely, 2^{1230302123101} is an apocalyptic number.

It is an amenable number.

1230302123101 is a deficient number, since it is larger than the sum of its proper divisors (119584799).

1230302123101 is a wasteful number, since it uses less digits than its factorization.

1230302123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119584798.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1230302123101 its reverse (1013212030321), we get a palindrome (2243514153422).

The spelling of 1230302123101 in words is "one trillion, two hundred thirty billion, three hundred two million, one hundred twenty-three thousand, one hundred one".