2221202012000 has 96 divisors (see below), whose sum is σ = 5459165449920. Its totient is φ = 888208588800.

The previous prime is 2221202011999. The next prime is 2221202012009. The reversal of 2221202012000 is 2102021222.

It is a super-2 number, since 2×2221202012000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221202012009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13232597 + ... + 13399403.

It is an arithmetic number, because the mean of its divisors is an integer number (56866306770).

Almost surely, 2^{2221202012000} is an apocalyptic number.

2221202012000 is a gapful number since it is divisible by the number (20) 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 2221202012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729582724960).

2221202012000 is an abundant number, since it is smaller than the sum of its proper divisors (3237963437920).

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

2221202012000 is a wasteful number, since it uses less digits than its factorization.

2221202012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170161 (or 170143 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2221202012000 its reverse (2102021222), we get a palindrome (2223304033222).

The spelling of 2221202012000 in words is "two trillion, two hundred twenty-one billion, two hundred two million, twelve thousand".