12354212045 has 16 divisors (see below), whose sum is σ = 17356163328. Its totient is φ = 8264837760.

The previous prime is 12354212033. The next prime is 12354212047. The reversal of 12354212045 is 54021245321.

It is not a de Polignac number, because 12354212045 - 2⁶ = 12354211981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12354211999 and 12354212017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354212047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4303169 + ... + 4306038.

It is an arithmetic number, because the mean of its divisors is an integer number (1084760208).

Almost surely, 2^12354212045 is an apocalyptic number.

It is an amenable number.

12354212045 is a deficient number, since it is larger than the sum of its proper divisors (5001951283).

12354212045 is an equidigital number, since it uses as much as digits as its factorization.

12354212045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8609260.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12354212045 its reverse (54021245321), we get a palindrome (66375457366).

The spelling of 12354212045 in words is "twelve billion, three hundred fifty-four million, two hundred twelve thousand, forty-five".