120212121211000 has 256 divisors, whose sum is σ = 358149224160000. Its totient is φ = 36733252147200.

The previous prime is 120212121210997. The next prime is 120212121211099. The reversal of 120212121211000 is 112121212021.

It is a super-2 number, since 2×120212121211000² (a number of 29 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 20137075 + ... + 25415074.

It is an arithmetic number, because the mean of its divisors is an integer number (1399020406875).

Almost surely, 2^{120212121211000} is an apocalyptic number.

120212121211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212121211000 is an abundant number, since it is smaller than the sum of its proper divisors (237937102949000).

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

120212121211000 is a wasteful number, since it uses less digits than its factorization.

120212121211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45552219 (or 45552205 counting only the distinct ones).

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

Adding to 120212121211000 its reverse (112121212021), we get a palindrome (120324242423021).

The spelling of 120212121211000 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand".