120211021212 has 24 divisors (see below), whose sum is σ = 290164534800. Its totient is φ = 38688604416.

The previous prime is 120211021199. The next prime is 120211021223. The reversal of 120211021212 is 212120112021.

It is a junction number, because it is equal to n+sod(n) for n = 120211021191 and 120211021200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172716637 + ... + 172717332.

It is an arithmetic number, because the mean of its divisors is an integer number (12090188950).

Almost surely, 2^120211021212 is an apocalyptic number.

120211021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120211021212 is an abundant number, since it is smaller than the sum of its proper divisors (169953513588).

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

120211021212 is a wasteful number, since it uses less digits than its factorization.

120211021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345434005 (or 345434003 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120211021212 its reverse (212120112021), we get a palindrome (332331133233).

The spelling of 120211021212 in words is "one hundred twenty billion, two hundred eleven million, twenty-one thousand, two hundred twelve".