121244122000 has 40 divisors (see below), whose sum is σ = 293168291832. Its totient is φ = 48497648000.

The previous prime is 121244121991. The next prime is 121244122049. The reversal of 121244122000 is 221442121.

It can be written as a sum of positive squares in 4 ways, for example, as 62157456 + 121181964544 = 7884^2 + 348112^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30309031 + ... + 30313030.

Almost surely, 2^121244122000 is an apocalyptic number.

121244122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121244122000 is an abundant number, since it is smaller than the sum of its proper divisors (171924169832).

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

121244122000 is an equidigital number, since it uses as much as digits as its factorization.

121244122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60622084 (or 60622068 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121244122000 its reverse (221442121), we get a palindrome (121465564121).

The spelling of 121244122000 in words is "one hundred twenty-one billion, two hundred forty-four million, one hundred twenty-two thousand".