30191229900000 has 2304 divisors, whose sum is σ = 132159241267200. Its totient is φ = 6623907840000.

The previous prime is 30191229899993. The next prime is 30191229900043. The reversal of 30191229900000 is 992219103.

It is a happy number.

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 383 ways as a sum of consecutive naturals, for example, 11337298669 + ... + 11337301331.

It is an arithmetic number, because the mean of its divisors is an integer number (57360781800).

Almost surely, 2^{30191229900000} is an apocalyptic number.

30191229900000 is a gapful number since it is divisible by the number (30) 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 30191229900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66079620633600).

30191229900000 is an abundant number, since it is smaller than the sum of its proper divisors (101968011367200).

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

30191229900000 is a wasteful number, since it uses less digits than its factorization.

30191229900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 30191229900000 in words is "thirty trillion, one hundred ninety-one billion, two hundred twenty-nine million, nine hundred thousand".