12000004420340 has 48 divisors (see below), whose sum is σ = 25708340967120. Its totient is φ = 4703761735680.

The previous prime is 12000004420333. The next prime is 12000004420351. The reversal of 12000004420340 is 4302440000021.

It can be written as a sum of positive squares in 8 ways, for example, as 8674509343504 + 3325495076836 = 2945252^2 + 1823594^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17954477 + ... + 18610836.

It is an arithmetic number, because the mean of its divisors is an integer number (535590436815).

Almost surely, 2^{12000004420340} is an apocalyptic number.

12000004420340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000004420340 is an abundant number, since it is smaller than the sum of its proper divisors (13708336546780).

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

12000004420340 is a wasteful number, since it uses less digits than its factorization.

12000004420340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36565652 (or 36565650 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12000004420340 its reverse (4302440000021), we get a palindrome (16302444420361).

The spelling of 12000004420340 in words is "twelve trillion, four million, four hundred twenty thousand, three hundred forty".