12101211024 has 80 divisors (see below), whose sum is σ = 35880953472. Its totient is φ = 3442627584.

The previous prime is 12101211011. The next prime is 12101211043. The reversal of 12101211024 is 42011210121.

It is a junction number, because it is equal to n+sod(n) for n = 12101210994 and 12101211012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002 + ... + 155574.

Almost surely, 2^12101211024 is an apocalyptic number.

12101211024 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 12101211024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17940476736).

12101211024 is an abundant number, since it is smaller than the sum of its proper divisors (23779742448).

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

12101211024 is a wasteful number, since it uses less digits than its factorization.

12101211024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154824 (or 154818 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12101211024 its reverse (42011210121), we get a palindrome (54112421145).

The spelling of 12101211024 in words is "twelve billion, one hundred one million, two hundred eleven thousand, twenty-four".