1222201001200 has 60 divisors (see below), whose sum is σ = 2941952821768. Its totient is φ = 487945555200.

The previous prime is 1222201001173. The next prime is 1222201001251. The reversal of 1222201001200 is 21001022221.

It is a happy number.

It is a super-3 number, since 3×1222201001200³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2711931 + ... + 3130330.

Almost surely, 2^{1222201001200} is an apocalyptic number.

1222201001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222201001200 is an abundant number, since it is smaller than the sum of its proper divisors (1719751820568).

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

1222201001200 is a wasteful number, since it uses less digits than its factorization.

1222201001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842802 (or 5842791 counting only the distinct ones).

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

Adding to 1222201001200 its reverse (21001022221), we get a palindrome (1243202023421).

The spelling of 1222201001200 in words is "one trillion, two hundred twenty-two billion, two hundred one million, one thousand, two hundred".