212120033023120 has 80 divisors (see below), whose sum is σ = 544893506904960. Its totient is φ = 76384912136192.

The previous prime is 212120033023079. The next prime is 212120033023141. The reversal of 212120033023120 is 21320330021212.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 212120033023091 and 212120033023100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3390634210 + ... + 3390696769.

It is an arithmetic number, because the mean of its divisors is an integer number (6811168836312).

Almost surely, 2^{212120033023120} is an apocalyptic number.

212120033023120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212120033023120 is an abundant number, since it is smaller than the sum of its proper divisors (332773473881840).

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

212120033023120 is a wasteful number, since it uses less digits than its factorization.

212120033023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781331032 (or 6781331026 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212120033023120 its reverse (21320330021212), we get a palindrome (233440363044332).

The spelling of 212120033023120 in words is "two hundred twelve trillion, one hundred twenty billion, thirty-three million, twenty-three thousand, one hundred twenty".