12073063450640 has 20 divisors (see below), whose sum is σ = 28069872522924. Its totient is φ = 4829225380224.

The previous prime is 12073063450627. The next prime is 12073063450667. The reversal of 12073063450640 is 4605436037021.

It can be written as a sum of positive squares in 2 ways, for example, as 6765679592464 + 5307383858176 = 2601092^2 + 2303776^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×12073063450640² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75456646487 + ... + 75456646646.

Almost surely, 2^{12073063450640} is an apocalyptic number.

12073063450640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12073063450640 is an abundant number, since it is smaller than the sum of its proper divisors (15996809072284).

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

12073063450640 is a wasteful number, since it uses less digits than its factorization.

12073063450640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150913293146 (or 150913293140 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 12073063450640 its reverse (4605436037021), we get a palindrome (16678499487661).

The spelling of 12073063450640 in words is "twelve trillion, seventy-three billion, sixty-three million, four hundred fifty thousand, six hundred forty".