121210133223000 has 256 divisors, whose sum is σ = 381071349360000. Its totient is φ = 32075611392000.

The previous prime is 121210133222987. The next prime is 121210133223007. The reversal of 121210133223000 is 322331012121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210133223007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 477716170 + ... + 477969830.

Almost surely, 2^{121210133223000} is an apocalyptic number.

121210133223000 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 121210133223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190535674680000).

121210133223000 is an abundant number, since it is smaller than the sum of its proper divisors (259861216137000).

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

121210133223000 is a wasteful number, since it uses less digits than its factorization.

121210133223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254903 (or 254889 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121210133223000 its reverse (322331012121), we get a palindrome (121532464235121).

The spelling of 121210133223000 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred thirty-three million, two hundred twenty-three thousand".