121220212022000 has 240 divisors, whose sum is σ = 367193343246912. Its totient is φ = 38364198566400.

The previous prime is 121220212021973. The next prime is 121220212022033. The reversal of 121220212022000 is 220212022121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121220212022000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46300652 + ... + 48848651.

Almost surely, 2^{121220212022000} is an apocalyptic number.

121220212022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121220212022000 is an abundant number, since it is smaller than the sum of its proper divisors (245973131224912).

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

121220212022000 is a wasteful number, since it uses less digits than its factorization.

121220212022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95149353 (or 95149330 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121220212022000 its reverse (220212022121), we get a palindrome (121440424044121).

The spelling of 121220212022000 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred twelve million, twenty-two thousand".