1222016437200 has 240 divisors, whose sum is σ = 4259108885696. Its totient is φ = 297702604800.

The previous prime is 1222016437163. The next prime is 1222016437207. The reversal of 1222016437200 is 27346102221.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222016437207) 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 47 ways as a sum of consecutive naturals, for example, 1109415 + ... + 1916985.

Almost surely, 2^{1222016437200} is an apocalyptic number.

1222016437200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222016437200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2129554442848).

1222016437200 is an abundant number, since it is smaller than the sum of its proper divisors (3037092448496).

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

1222016437200 is a wasteful number, since it uses less digits than its factorization.

1222016437200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807702 (or 807691 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 1222016437200 in words is "one trillion, two hundred twenty-two billion, sixteen million, four hundred thirty-seven thousand, two hundred".