1200102002022 has 64 divisors (see below), whose sum is σ = 3122569211904. Its totient is φ = 298161985440.

The previous prime is 1200102001979. The next prime is 1200102002039. The reversal of 1200102002022 is 2202002010021.

It is a junction number, because it is equal to n+sod(n) for n = 1200102001989 and 1200102002007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56459448 + ... + 56480699.

It is an arithmetic number, because the mean of its divisors is an integer number (48790143936).

Almost surely, 2^{1200102002022} is an apocalyptic number.

1200102002022 is an abundant number, since it is smaller than the sum of its proper divisors (1922467209882).

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

1200102002022 is a wasteful number, since it uses less digits than its factorization.

1200102002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112940193.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1200102002022 its reverse (2202002010021), we get a palindrome (3402104012043).

The spelling of 1200102002022 in words is "one trillion, two hundred billion, one hundred two million, two thousand, twenty-two".