1222133455120 has 40 divisors (see below), whose sum is σ = 2841710726016. Its totient is φ = 488810295168.

The previous prime is 1222133455093. The next prime is 1222133455129. The reversal of 1222133455120 is 215543312221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1222133455120² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222133455129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247929 + ... + 1582951.

Almost surely, 2^{1222133455120} is an apocalyptic number.

1222133455120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222133455120 is an abundant number, since it is smaller than the sum of its proper divisors (1619577270896).

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

1222133455120 is a wasteful number, since it uses less digits than its factorization.

1222133455120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346479 (or 1346473 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1222133455120 its reverse (215543312221), we get a palindrome (1437676767341).

The spelling of 1222133455120 in words is "one trillion, two hundred twenty-two billion, one hundred thirty-three million, four hundred fifty-five thousand, one hundred twenty".