121102121212000 has 48 divisors (see below), whose sum is σ = 297547911827712. Its totient is φ = 48440848483200.

The previous prime is 121102121211943. The next prime is 121102121212049. The reversal of 121102121212000 is 212121201121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15137761152 + ... + 15137769151.

It is an arithmetic number, because the mean of its divisors is an integer number (6198914829744).

Almost surely, 2^{121102121212000} is an apocalyptic number.

121102121212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102121212000 is an abundant number, since it is smaller than the sum of its proper divisors (176445790615712).

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

121102121212000 is an equidigital number, since it uses as much as digits as its factorization.

121102121212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30275530328 (or 30275530310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121102121212000 its reverse (212121201121), we get a palindrome (121314242413121).

The spelling of 121102121212000 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred twenty-one million, two hundred twelve thousand".