12142072470 has 64 divisors (see below), whose sum is σ = 31974061824. Its totient is φ = 2926504320.

The previous prime is 12142072463. The next prime is 12142072487. The reversal of 12142072470 is 7427024121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49252 + ... + 163431.

It is an arithmetic number, because the mean of its divisors is an integer number (499594716).

Almost surely, 2^12142072470 is an apocalyptic number.

12142072470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142072470 is an abundant number, since it is smaller than the sum of its proper divisors (19831989354).

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

12142072470 is a wasteful number, since it uses less digits than its factorization.

12142072470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212877.

The product of its (nonzero) digits is 6272, while the sum is 30.

Adding to 12142072470 its reverse (7427024121), we get a palindrome (19569096591).

The spelling of 12142072470 in words is "twelve billion, one hundred forty-two million, seventy-two thousand, four hundred seventy".