12025196820 has 720 divisors, whose sum is σ = 48535458048. Its totient is φ = 2469035520.

The previous prime is 12025196747. The next prime is 12025196839. The reversal of 12025196820 is 2869152021.

It is a super-2 number, since 2×12025196820² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 44373285 + ... + 44373555.

Almost surely, 2^12025196820 is an apocalyptic number.

12025196820 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 12025196820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24267729024).

12025196820 is an abundant number, since it is smaller than the sum of its proper divisors (36510261228).

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

12025196820 is a wasteful number, since it uses less digits than its factorization.

12025196820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 12025196820 in words is "twelve billion, twenty-five million, one hundred ninety-six thousand, eight hundred twenty".