1022212001200 has 60 divisors (see below), whose sum is σ = 2644776987328. Its totient is φ = 377432121600.

The previous prime is 1022212001191. The next prime is 1022212001231. The reversal of 1022212001200 is 21002122201.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98284416 + ... + 98294815.

Almost surely, 2^{1022212001200} is an apocalyptic number.

1022212001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022212001200 is an abundant number, since it is smaller than the sum of its proper divisors (1622564986128).

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

1022212001200 is a wasteful number, since it uses less digits than its factorization.

1022212001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196579262 (or 196579251 counting only the distinct ones).

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

Adding to 1022212001200 its reverse (21002122201), we get a palindrome (1043214123401).

The spelling of 1022212001200 in words is "one trillion, twenty-two billion, two hundred twelve million, one thousand, two hundred".