120011021212 has 24 divisors (see below), whose sum is σ = 222392320416. Its totient is φ = 56470960128.

The previous prime is 120011021167. The next prime is 120011021219. The reversal of 120011021212 is 212120110021.

It is a super-2 number, since 2×120011021212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120011021192 and 120011021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011021219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 803148 + ... + 940780.

It is an arithmetic number, because the mean of its divisors is an integer number (9266346684).

Almost surely, 2^120011021212 is an apocalyptic number.

It is an amenable number.

120011021212 is a deficient number, since it is larger than the sum of its proper divisors (102381299204).

120011021212 is a wasteful number, since it uses less digits than its factorization.

120011021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150477 (or 150475 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120011021212 its reverse (212120110021), we get a palindrome (332131131233).

The spelling of 120011021212 in words is "one hundred twenty billion, eleven million, twenty-one thousand, two hundred twelve".