1022002201012 has 12 divisors (see below), whose sum is σ = 1926081071236. Its totient is φ = 471693323520.

The previous prime is 1022002201009. The next prime is 1022002201019. The reversal of 1022002201012 is 2101022002201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61437553956 + 960564647056 = 247866^2 + 980084^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1022002200983 and 1022002201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022002201019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9826944189 + ... + 9826944292.

Almost surely, 2^{1022002201012} is an apocalyptic number.

It is an amenable number.

1022002201012 is a deficient number, since it is larger than the sum of its proper divisors (904078870224).

1022002201012 is a wasteful number, since it uses less digits than its factorization.

1022002201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19653888498 (or 19653888496 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022002201012 its reverse (2101022002201), we get a palindrome (3123024203213).

The spelling of 1022002201012 in words is "one trillion, twenty-two billion, two million, two hundred one thousand, twelve".