1210230120013 has 4 divisors (see below), whose sum is σ = 1230069958108. Its totient is φ = 1190390281920.

The previous prime is 1210230119977. The next prime is 1210230120067. The reversal of 1210230120013 is 3100210320121.

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 428655659524 + 781574460489 = 654718^2 + 884067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210230120013 - 2¹³ = 1210230111821 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 (1210230124013) 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, 9919918956 + ... + 9919919077.

It is an arithmetic number, because the mean of its divisors is an integer number (307517489527).

Almost surely, 2^{1210230120013} is an apocalyptic number.

It is an amenable number.

1210230120013 is a deficient number, since it is larger than the sum of its proper divisors (19839838095).

1210230120013 is an equidigital number, since it uses as much as digits as its factorization.

1210230120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19839838094.

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

Adding to 1210230120013 its reverse (3100210320121), we get a palindrome (4310440440134).

The spelling of 1210230120013 in words is "one trillion, two hundred ten billion, two hundred thirty million, one hundred twenty thousand, thirteen".