12021300103020 has 48 divisors (see below), whose sum is σ = 36248843389920. Its totient is φ = 2959089255936.

The previous prime is 12021300102893. The next prime is 12021300103063. The reversal of 12021300103020 is 2030100312021.

It is a super-2 number, since 2×12021300103020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 7705960825 + ... + 7705962384.

It is an arithmetic number, because the mean of its divisors is an integer number (755184237290).

Almost surely, 2^{12021300103020} is an apocalyptic number.

12021300103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021300103020 is an abundant number, since it is smaller than the sum of its proper divisors (24227543286900).

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

12021300103020 is a wasteful number, since it uses less digits than its factorization.

12021300103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15411923234 (or 15411923232 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12021300103020 its reverse (2030100312021), we get a palindrome (14051400415041).

The spelling of 12021300103020 in words is "twelve trillion, twenty-one billion, three hundred million, one hundred three thousand, twenty".