12101002220320 has 96 divisors (see below), whose sum is σ = 31012470962928. Its totient is φ = 4435448659968.

The previous prime is 12101002220311. The next prime is 12101002220393. The reversal of 12101002220320 is 2302220010121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 753347617936 + 11347654602384 = 867956^2 + 3368628^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12101002220294 and 12101002220303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20947849 + ... + 21517768.

Almost surely, 2^{12101002220320} is an apocalyptic number.

12101002220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101002220320 is an abundant number, since it is smaller than the sum of its proper divisors (18911468742608).

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

12101002220320 is a wasteful number, since it uses less digits than its factorization.

12101002220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42465782 (or 42465774 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12101002220320 its reverse (2302220010121), we get a palindrome (14403222230441).

The spelling of 12101002220320 in words is "twelve trillion, one hundred one billion, two million, two hundred twenty thousand, three hundred twenty".