1222010001200 has 60 divisors (see below), whose sum is σ = 2940321235968. Its totient is φ = 488064403200.

The previous prime is 1222010001197. The next prime is 1222010001203. The reversal of 1222010001200 is 21000102221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222010001197) and next prime (1222010001203).

It is not an unprimeable number, because it can be changed into a prime (1222010001203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2046512 + ... + 2575311.

Almost surely, 2^{1222010001200} is an apocalyptic number.

1222010001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222010001200 is an abundant number, since it is smaller than the sum of its proper divisors (1718311234768).

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

1222010001200 is a wasteful number, since it uses less digits than its factorization.

1222010001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622502 (or 4622491 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1222010001200 its reverse (21000102221), we get a palindrome (1243010103421).

The spelling of 1222010001200 in words is "one trillion, two hundred twenty-two billion, ten million, one thousand, two hundred".