12220211211000 has 128 divisors (see below), whose sum is σ = 41059909800000. Its totient is φ = 3008051980800.

The previous prime is 12220211210993. The next prime is 12220211211011. The reversal of 12220211211000 is 11211202221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156630375 + ... + 156708374.

Almost surely, 2^{12220211211000} is an apocalyptic number.

12220211211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220211211000 is an abundant number, since it is smaller than the sum of its proper divisors (28839698589000).

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

12220211211000 is a wasteful number, since it uses less digits than its factorization.

12220211211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313338786 (or 313338772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12220211211000 its reverse (11211202221), we get a palindrome (12231422413221).

The spelling of 12220211211000 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, two hundred eleven thousand".