121022012 has 6 divisors (see below), whose sum is σ = 211788528. Its totient is φ = 60511004.

The previous prime is 121022009. The next prime is 121022023. The reversal of 121022012 is 210220121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121021984 and 121022002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127748 + ... + 15127755.

It is an arithmetic number, because the mean of its divisors is an integer number (35298088).

Almost surely, 2^121022012 is an apocalyptic number.

It is an amenable number.

121022012 is a deficient number, since it is larger than the sum of its proper divisors (90766516).

121022012 is a wasteful number, since it uses less digits than its factorization.

121022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30255507 (or 30255505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 121022012 is about 11001.0004999545. Note that the first 3 decimals coincide. The cubic root of 121022012 is about 494.6387351446.

Subtracting from 121022012 its sum of digits (11), we obtain a square (121022001 = 11001²).

Adding to 121022012 its reverse (210220121), we get a palindrome (331242133).

The spelling of 121022012 in words is "one hundred twenty-one million, twenty-two thousand, twelve".