12007074540 has 24 divisors (see below), whose sum is σ = 33619808880. Its totient is φ = 3201886528.

The previous prime is 12007074493. The next prime is 12007074559. The reversal of 12007074540 is 4547070021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12007074498 and 12007074507.

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, 100058895 + ... + 100059014.

It is an arithmetic number, because the mean of its divisors is an integer number (1400825370).

Almost surely, 2^12007074540 is an apocalyptic number.

12007074540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12007074540 is an abundant number, since it is smaller than the sum of its proper divisors (21612734340).

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

12007074540 is a wasteful number, since it uses less digits than its factorization.

12007074540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200117921 (or 200117919 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The spelling of 12007074540 in words is "twelve billion, seven million, seventy-four thousand, five hundred forty".