12312301019 has 12 divisors (see below), whose sum is σ = 12419824872. Its totient is φ = 12205633440.

The previous prime is 12312300991. The next prime is 12312301063. The reversal of 12312301019 is 91010321321.

It is not a de Polignac number, because 12312301019 - 2¹² = 12312296923 is a prime.

It is a super-2 number, since 2×12312301019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312300985 and 12312301003.

It is not an unprimeable number, because it can be changed into a prime (12312301819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19954799 + ... + 19955415.

It is an arithmetic number, because the mean of its divisors is an integer number (1034985406).

Almost surely, 2^12312301019 is an apocalyptic number.

12312301019 is a deficient number, since it is larger than the sum of its proper divisors (107523853).

12312301019 is an frugal number, since it uses more digits than its factorization.

12312301019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 12312301019 in words is "twelve billion, three hundred twelve million, three hundred one thousand, nineteen".