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120222212 = 221121391787
BaseRepresentation
bin1110010101001…
…11001000000100
322101012220212112
413022213020010
5221234102322
615532440152
72656605035
oct712471004
9271186775
10120222212
1161953800
1234319058
131bba4106
1411d76a8c
15a84b5e2
hex72a7204

120222212 has 36 divisors (see below), whose sum is σ = 233047920. Its totient is φ = 54222960.

The previous prime is 120222203. The next prime is 120222229. The reversal of 120222212 is 212222021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66383 + ... + 68169.

Almost surely, 2120222212 is an apocalyptic number.

It is an amenable number.

120222212 is a deficient number, since it is larger than the sum of its proper divisors (112825708).

120222212 is a wasteful number, since it uses less digits than its factorization.

120222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 120222212 is about 10964.5890027853. The cubic root of 120222212 is about 493.5466837525.

Adding to 120222212 its reverse (212222021), we get a palindrome (332444233).

The spelling of 120222212 in words is "one hundred twenty million, two hundred twenty-two thousand, two hundred twelve".