12212032420500 has 192 divisors, whose sum is σ = 38804505981696. Its totient is φ = 2959713600000.

The previous prime is 12212032420433. The next prime is 12212032420513. The reversal of 12212032420500 is 502423021221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63875050 + ... + 64065950.

It is an arithmetic number, because the mean of its divisors is an integer number (202106801988).

Almost surely, 2^{12212032420500} is an apocalyptic number.

12212032420500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212032420500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19402252990848).

12212032420500 is an abundant number, since it is smaller than the sum of its proper divisors (26592473561196).

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

12212032420500 is a wasteful number, since it uses less digits than its factorization.

12212032420500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194811 (or 194799 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12212032420500 its reverse (502423021221), we get a palindrome (12714455441721).

The spelling of 12212032420500 in words is "twelve trillion, two hundred twelve billion, thirty-two million, four hundred twenty thousand, five hundred".