12011213231030 has 32 divisors (see below), whose sum is σ = 23283959630400. Its totient is φ = 4434779071872.

The previous prime is 12011213230997. The next prime is 12011213231117. The reversal of 12011213231030 is 3013231211021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12011213230993 and 12011213231011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135656 + ... + 5818484.

It is an arithmetic number, because the mean of its divisors is an integer number (727623738450).

Almost surely, 2^{12011213231030} is an apocalyptic number.

12011213231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011213231030 is a deficient number, since it is larger than the sum of its proper divisors (11272746399370).

12011213231030 is a wasteful number, since it uses less digits than its factorization.

12011213231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717288.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12011213231030 its reverse (3013231211021), we get a palindrome (15024444442051).

The spelling of 12011213231030 in words is "twelve trillion, eleven billion, two hundred thirteen million, two hundred thirty-one thousand, thirty".