1012123301213 has 4 divisors (see below), whose sum is σ = 1035661052448. Its totient is φ = 988585549980.

The previous prime is 1012123301207. The next prime is 1012123301221. The reversal of 1012123301213 is 3121033212101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012123301213 - 2⁸ = 1012123300957 is a prime.

It is a super-2 number, since 2×1012123301213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012123301263) 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, 11768875553 + ... + 11768875638.

It is an arithmetic number, because the mean of its divisors is an integer number (258915263112).

Almost surely, 2^{1012123301213} is an apocalyptic number.

It is an amenable number.

1012123301213 is a deficient number, since it is larger than the sum of its proper divisors (23537751235).

1012123301213 is an equidigital number, since it uses as much as digits as its factorization.

1012123301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537751234.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012123301213 its reverse (3121033212101), we get a palindrome (4133156513314).

The spelling of 1012123301213 in words is "one trillion, twelve billion, one hundred twenty-three million, three hundred one thousand, two hundred thirteen".