12011011210 has 32 divisors (see below), whose sum is σ = 24087082752. Its totient is φ = 4274710080.

The previous prime is 12011011193. The next prime is 12011011223. The reversal of 12011011210 is 1211011021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1156437 + ... + 1166776.

It is an arithmetic number, because the mean of its divisors is an integer number (752721336).

Almost surely, 2^12011011210 is an apocalyptic number.

12011011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011011210 is an abundant number, since it is smaller than the sum of its proper divisors (12076071542).

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

12011011210 is a wasteful number, since it uses less digits than its factorization.

12011011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323278.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12011011210 its reverse (1211011021), we get a palindrome (13222022231).

The spelling of 12011011210 in words is "twelve billion, eleven million, eleven thousand, two hundred ten".