12001321102030 has 128 divisors (see below), whose sum is σ = 24394999620096. Its totient is φ = 4221385113600.

The previous prime is 12001321102021. The next prime is 12001321102031. The reversal of 12001321102030 is 3020112310021.

It is a junction number, because it is equal to n+sod(n) for n = 12001321101995 and 12001321102013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001321102031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108415510 + ... + 108526150.

It is an arithmetic number, because the mean of its divisors is an integer number (190585934532).

Almost surely, 2^{12001321102030} is an apocalyptic number.

12001321102030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001321102030 is an abundant number, since it is smaller than the sum of its proper divisors (12393678518066).

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

12001321102030 is a wasteful number, since it uses less digits than its factorization.

12001321102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111182.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12001321102030 its reverse (3020112310021), we get a palindrome (15021433412051).

The spelling of 12001321102030 in words is "twelve trillion, one billion, three hundred twenty-one million, one hundred two thousand, thirty".