12019502201930 has 64 divisors (see below), whose sum is σ = 23712534203040. Its totient is φ = 4366216372224.

The previous prime is 12019502201909. The next prime is 12019502201933. The reversal of 12019502201930 is 3910220591021.

It can be written as a sum of positive squares in 16 ways, for example, as 1666301467609 + 10353200734321 = 1290853^2 + 3217639^2 .

It is not an unprimeable number, because it can be changed into a prime (12019502201933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7109894 + ... + 8636526.

Almost surely, 2^{12019502201930} is an apocalyptic number.

12019502201930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12019502201930 is a deficient number, since it is larger than the sum of its proper divisors (11693032001110).

12019502201930 is a wasteful number, since it uses less digits than its factorization.

12019502201930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528283.

The product of its (nonzero) digits is 9720, while the sum is 35.

Adding to 12019502201930 its reverse (3910220591021), we get a palindrome (15929722792951).

The spelling of 12019502201930 in words is "twelve trillion, nineteen billion, five hundred two million, two hundred one thousand, nine hundred thirty".