120212122210000 has 50 divisors (see below), whose sum is σ = 291045569106842. Its totient is φ = 48084848880000.

The previous prime is 120212122209997. The next prime is 120212122210049. The reversal of 120212122210000 is 12221212021.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 56412477158976 + 63799645051024 = 7510824^2 + 7987468^2 .

It is a tau number, because it is divible by the number of its divisors (50).

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 (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6010596111 + ... + 6010616110.

Almost surely, 2^{120212122210000} is an apocalyptic number.

120212122210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212122210000 is an abundant number, since it is smaller than the sum of its proper divisors (170833446896842).

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

120212122210000 is an equidigital number, since it uses as much as digits as its factorization.

120212122210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021212249 (or 12021212228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120212122210000 its reverse (12221212021), we get a palindrome (120224343422021).

The spelling of 120212122210000 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand".