12211212111010 has 32 divisors (see below), whose sum is σ = 24805220846400. Its totient is φ = 4287322119360.

The previous prime is 12211212110989. The next prime is 12211212111047. The reversal of 12211212111010 is 1011121211221.

12211212111010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211212111010² (a number of 27 digits) contains 22 as substring.

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, 1913979900 + ... + 1913986279.

It is an arithmetic number, because the mean of its divisors is an integer number (775163151450).

Almost surely, 2^{12211212111010} is an apocalyptic number.

12211212111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211212111010 is an abundant number, since it is smaller than the sum of its proper divisors (12594008735390).

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

12211212111010 is a wasteful number, since it uses less digits than its factorization.

12211212111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827966226.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12211212111010 its reverse (1011121211221), we get a palindrome (13222333322231).

The spelling of 12211212111010 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, one hundred eleven thousand, ten".