12145214510 has 32 divisors (see below), whose sum is σ = 25683309792. Its totient is φ = 4076714880.

The previous prime is 12145214453. The next prime is 12145214531. The reversal of 12145214510 is 1541254121.

It is a happy number.

12145214510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 12145214510.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4245149 + ... + 4248008.

It is an arithmetic number, because the mean of its divisors is an integer number (802603431).

Almost surely, 2^12145214510 is an apocalyptic number.

12145214510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12145214510 is an abundant number, since it is smaller than the sum of its proper divisors (13538095282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12145214510 is a wasteful number, since it uses less digits than its factorization.

12145214510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8493188.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 12145214510 its reverse (1541254121), we get a palindrome (13686468631).

The spelling of 12145214510 in words is "twelve billion, one hundred forty-five million, two hundred fourteen thousand, five hundred ten".