190319397012 has 96 divisors (see below), whose sum is σ = 510875164800. Its totient is φ = 61199421696.

The previous prime is 190319397001. The next prime is 190319397017. The reversal of 190319397012 is 210793913091.

190319397012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190319397012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190319397017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3692088 + ... + 3743280.

It is an arithmetic number, because the mean of its divisors is an integer number (5321616300).

Almost surely, 2^190319397012 is an apocalyptic number.

190319397012 is a gapful number since it is divisible by the number (12) 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 190319397012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255437582400).

190319397012 is an abundant number, since it is smaller than the sum of its proper divisors (320555767788).

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

190319397012 is a wasteful number, since it uses less digits than its factorization.

190319397012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52422 (or 52414 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The spelling of 190319397012 in words is "one hundred ninety billion, three hundred nineteen million, three hundred ninety-seven thousand, twelve".