12201024020 has 24 divisors (see below), whose sum is σ = 26448672768. Its totient is φ = 4722976800.

The previous prime is 12201024001. The next prime is 12201024023. The reversal of 12201024020 is 2042010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201023986 and 12201024004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201024023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9838916 + ... + 9840155.

It is an arithmetic number, because the mean of its divisors is an integer number (1102028032).

Almost surely, 2^12201024020 is an apocalyptic number.

12201024020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201024020 is an abundant number, since it is smaller than the sum of its proper divisors (14247648748).

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

12201024020 is a wasteful number, since it uses less digits than its factorization.

12201024020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19679111 (or 19679109 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12201024020 its reverse (2042010221), we get a palindrome (14243034241).

The spelling of 12201024020 in words is "twelve billion, two hundred one million, twenty-four thousand, twenty".