12142235210 has 128 divisors (see below), whose sum is σ = 28187688960. Its totient is φ = 3667682304.

The previous prime is 12142235173. The next prime is 12142235213. The reversal of 12142235210 is 1253224121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12142235213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1281671 + ... + 1291109.

It is an arithmetic number, because the mean of its divisors is an integer number (220216320).

Almost surely, 2^12142235210 is an apocalyptic number.

12142235210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142235210 is an abundant number, since it is smaller than the sum of its proper divisors (16045453750).

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

12142235210 is a wasteful number, since it uses less digits than its factorization.

12142235210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12142235210 its reverse (1253224121), we get a palindrome (13395459331).

The spelling of 12142235210 in words is "twelve billion, one hundred forty-two million, two hundred thirty-five thousand, two hundred ten".