2202001221012 has 48 divisors (see below), whose sum is σ = 5304610977792. Its totient is φ = 710206979040.

The previous prime is 2202001221011. The next prime is 2202001221061. The reversal of 2202001221012 is 2101221002022.

It is a junction number, because it is equal to n+sod(n) for n = 2202001220982 and 2202001221000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202001221011) 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, 1812403 + ... + 2772869.

It is an arithmetic number, because the mean of its divisors is an integer number (110512728704).

Almost surely, 2^{2202001221012} is an apocalyptic number.

It is an amenable number.

2202001221012 is an abundant number, since it is smaller than the sum of its proper divisors (3102609756780).

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

2202001221012 is a wasteful number, since it uses less digits than its factorization.

2202001221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966668 (or 966666 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2202001221012 its reverse (2101221002022), we get a palindrome (4303222223034).

The spelling of 2202001221012 in words is "two trillion, two hundred two billion, one million, two hundred twenty-one thousand, twelve".