12101150502 has 96 divisors (see below), whose sum is σ = 31922392320. Its totient is φ = 3235982400.

The previous prime is 12101150449. The next prime is 12101150507. The reversal of 12101150502 is 20505110121.

12101150502 is a `hidden beast` number, since 1 + 2 + 10 + 1 + 150 + 502 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101150507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168252 + ... + 229152.

It is an arithmetic number, because the mean of its divisors is an integer number (332524920).

Almost surely, 2^12101150502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101150502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15961196160).

12101150502 is an abundant number, since it is smaller than the sum of its proper divisors (19821241818).

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

12101150502 is a wasteful number, since it uses less digits than its factorization.

12101150502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61018 (or 61015 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 12101150502 its reverse (20505110121), we get a palindrome (32606260623).

The spelling of 12101150502 in words is "twelve billion, one hundred one million, one hundred fifty thousand, five hundred two".