122212102001200 has 120 divisors (see below), whose sum is σ = 309073093549520. Its totient is φ = 46311187276800.

The previous prime is 122212102001089. The next prime is 122212102001201. The reversal of 122212102001200 is 2100201212221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (122212102001201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702616642 + ... + 702790558.

Almost surely, 2^{122212102001200} is an apocalyptic number.

122212102001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122212102001200 is an abundant number, since it is smaller than the sum of its proper divisors (186860991548320).

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

122212102001200 is a wasteful number, since it uses less digits than its factorization.

122212102001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266415 (or 266404 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122212102001200 its reverse (2100201212221), we get a palindrome (124312303213421).

The spelling of 122212102001200 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred two million, one thousand, two hundred".