12073121302920 has 64 divisors (see below), whose sum is σ = 36495847650240. Its totient is φ = 3194922681600.

The previous prime is 12073121302903. The next prime is 12073121302927. The reversal of 12073121302920 is 2920312137021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12073121302927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383989411 + ... + 384020850.

It is an arithmetic number, because the mean of its divisors is an integer number (570247619535).

Almost surely, 2^{12073121302920} is an apocalyptic number.

12073121302920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12073121302920 is an abundant number, since it is smaller than the sum of its proper divisors (24422726347320).

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

12073121302920 is a wasteful number, since it uses less digits than its factorization.

12073121302920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768010406 (or 768010402 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

Adding to 12073121302920 its reverse (2920312137021), we get a palindrome (14993433439941).

The spelling of 12073121302920 in words is "twelve trillion, seventy-three billion, one hundred twenty-one million, three hundred two thousand, nine hundred twenty".