12010099950 has 144 divisors (see below), whose sum is σ = 33105785856. Its totient is φ = 3119860800.

The previous prime is 12010099943. The next prime is 12010099951. The reversal of 12010099950 is 5999001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010099951) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11048307 + ... + 11049393.

Almost surely, 2^12010099950 is an apocalyptic number.

12010099950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010099950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16552892928).

12010099950 is an abundant number, since it is smaller than the sum of its proper divisors (21095685906).

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

12010099950 is a wasteful number, since it uses less digits than its factorization.

12010099950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The spelling of 12010099950 in words is "twelve billion, ten million, ninety-nine thousand, nine hundred fifty".