11212210120000 has 140 divisors (see below), whose sum is σ = 27807097271140. Its totient is φ = 4484164608000.

The previous prime is 11212210119973. The next prime is 11212210120057. The reversal of 11212210120000 is 2101221211.

It can be written as a sum of positive squares in 10 ways, for example, as 2744482595904 + 8467727524096 = 1656648^2 + 2909936^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 299061256 + ... + 299098744.

Almost surely, 2^{11212210120000} is an apocalyptic number.

11212210120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212210120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13903548635570).

11212210120000 is an abundant number, since it is smaller than the sum of its proper divisors (16594887151140).

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

11212210120000 is an frugal number, since it uses more digits than its factorization.

11212210120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44998 (or 44973 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11212210120000 its reverse (2101221211), we get a palindrome (11214311341211).

The spelling of 11212210120000 in words is "eleven trillion, two hundred twelve billion, two hundred ten million, one hundred twenty thousand".