12021360623 has 2 divisors, whose sum is σ = 12021360624. Its totient is φ = 12021360622.

The previous prime is 12021360607. The next prime is 12021360647. The reversal of 12021360623 is 32606312021.

It is a weak prime.

It is an emirp because it is prime and its reverse (32606312021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021360623 - 2⁴ = 12021360607 is a prime.

It is a super-2 number, since 2×12021360623² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021360592 and 12021360601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021360653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010680311 + 6010680312.

It is an arithmetic number, because the mean of its divisors is an integer number (6010680312).

Almost surely, 2^12021360623 is an apocalyptic number.

12021360623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021360623 is an equidigital number, since it uses as much as digits as its factorization.

12021360623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12021360623 its reverse (32606312021), we get a palindrome (44627672644).

The spelling of 12021360623 in words is "twelve billion, twenty-one million, three hundred sixty thousand, six hundred twenty-three".