133204101221400 has 192 divisors, whose sum is σ = 470057793304320. Its totient is φ = 30887907494400.

The previous prime is 133204101221363. The next prime is 133204101221407. The reversal of 133204101221400 is 4122101402331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133204101221407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438596887 + ... + 438900486.

It is an arithmetic number, because the mean of its divisors is an integer number (2448217673460).

Almost surely, 2^{133204101221400} is an apocalyptic number.

133204101221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133204101221400 is an abundant number, since it is smaller than the sum of its proper divisors (336853692082920).

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

133204101221400 is a wasteful number, since it uses less digits than its factorization.

133204101221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877497426 (or 877497417 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 133204101221400 its reverse (4122101402331), we get a palindrome (137326202623731).

The spelling of 133204101221400 in words is "one hundred thirty-three trillion, two hundred four billion, one hundred one million, two hundred twenty-one thousand, four hundred".