12103214040 has 48 divisors (see below), whose sum is σ = 39335446800. Its totient is φ = 3227523648.

The previous prime is 12103214033. The next prime is 12103214051. The reversal of 12103214040 is 4041230121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16809660 + ... + 16810379.

It is an arithmetic number, because the mean of its divisors is an integer number (819488475).

Almost surely, 2^12103214040 is an apocalyptic number.

12103214040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103214040 is an abundant number, since it is smaller than the sum of its proper divisors (27232232760).

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

12103214040 is a wasteful number, since it uses less digits than its factorization.

12103214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33620056 (or 33620049 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12103214040 its reverse (4041230121), we get a palindrome (16144444161).

The spelling of 12103214040 in words is "twelve billion, one hundred three million, two hundred fourteen thousand, forty".