12723142620 has 24 divisors (see below), whose sum is σ = 35624799504. Its totient is φ = 3392838016.

The previous prime is 12723142613. The next prime is 12723142633. The reversal of 12723142620 is 2624132721.

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 7 ways as a sum of consecutive naturals, for example, 106026129 + ... + 106026248.

It is an arithmetic number, because the mean of its divisors is an integer number (1484366646).

Almost surely, 2^12723142620 is an apocalyptic number.

12723142620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12723142620 is an abundant number, since it is smaller than the sum of its proper divisors (22901656884).

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

12723142620 is a wasteful number, since it uses less digits than its factorization.

12723142620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212052389 (or 212052387 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 12723142620 in words is "twelve billion, seven hundred twenty-three million, one hundred forty-two thousand, six hundred twenty".