12011231390 has 16 divisors (see below), whose sum is σ = 21624286608. Its totient is φ = 4803588096.

The previous prime is 12011231389. The next prime is 12011231431. The reversal of 12011231390 is 9313211021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55907 + ... + 164766.

It is an arithmetic number, because the mean of its divisors is an integer number (1351517913).

Almost surely, 2^12011231390 is an apocalyptic number.

12011231390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011231390 is a deficient number, since it is larger than the sum of its proper divisors (9613055218).

12011231390 is a wasteful number, since it uses less digits than its factorization.

12011231390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226123.

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

The spelling of 12011231390 in words is "twelve billion, eleven million, two hundred thirty-one thousand, three hundred ninety".