10212113001223 has 4 divisors (see below), whose sum is σ = 11670986287120. Its totient is φ = 8753239715328.

The previous prime is 10212113001203. The next prime is 10212113001257. The reversal of 10212113001223 is 32210031121201.

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 10212113001223 - 2²¹ = 10212110904071 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 10212113001223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212113001203) 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, 729436642938 + ... + 729436642951.

It is an arithmetic number, because the mean of its divisors is an integer number (2917746571780).

Almost surely, 2^{10212113001223} is an apocalyptic number.

10212113001223 is a deficient number, since it is larger than the sum of its proper divisors (1458873285897).

10212113001223 is an equidigital number, since it uses as much as digits as its factorization.

10212113001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458873285896.

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

Adding to 10212113001223 its reverse (32210031121201), we get a palindrome (42422144122424).

The spelling of 10212113001223 in words is "ten trillion, two hundred twelve billion, one hundred thirteen million, one thousand, two hundred twenty-three".