12201031024 has 80 divisors (see below), whose sum is σ = 29588106240. Its totient is φ = 4744938240.

The previous prime is 12201031009. The next prime is 12201031027. The reversal of 12201031024 is 42013010221.

It is a super-2 number, since 2×12201031024² (a number of 21 digits) contains 22 as substring.

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 = 12201030989 and 12201031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201031027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14889 + ... + 156919.

It is an arithmetic number, because the mean of its divisors is an integer number (369851328).

Almost surely, 2^12201031024 is an apocalyptic number.

12201031024 is a gapful number since it is divisible by the number (14) 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 12201031024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14794053120).

12201031024 is an abundant number, since it is smaller than the sum of its proper divisors (17387075216).

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

12201031024 is a wasteful number, since it uses less digits than its factorization.

12201031024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142118 (or 142112 counting only the distinct ones).

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

Adding to 12201031024 its reverse (42013010221), we get a palindrome (54214041245).

The spelling of 12201031024 in words is "twelve billion, two hundred one million, thirty-one thousand, twenty-four".