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120012210122 = 2721487823547
BaseRepresentation
bin110111111000101001…
…0001111111111001010
3102110202212010221122012
41233301102033333022
53431241111210442
6131044410055522
711446004645300
oct1576122177712
9373685127565
10120012210122
1146995844832
121b313a1a5a2
13b4178a0bac
145b46c04270
1531c60b8582
hex1bf148ffca

120012210122 has 24 divisors (see below), whose sum is σ = 209550141504. Its totient is φ = 51399152952.

The previous prime is 120012210121. The next prime is 120012210151. The reversal of 120012210122 is 221012210021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120012210097 and 120012210106.

It is not an unprimeable number, because it can be changed into a prime (120012210121) 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 11 ways as a sum of consecutive naturals, for example, 266048 + ... + 557499.

It is an arithmetic number, because the mean of its divisors is an integer number (8731255896).

Almost surely, 2120012210122 is an apocalyptic number.

120012210122 is a deficient number, since it is larger than the sum of its proper divisors (89537931382).

120012210122 is a wasteful number, since it uses less digits than its factorization.

120012210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825050 (or 825043 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120012210122 its reverse (221012210021), we get a palindrome (341024420143).

The spelling of 120012210122 in words is "one hundred twenty billion, twelve million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 7 14 49 98 1487 2974 10409 20818 72863 145726 823547 1647094 5764829 11529658 40353803 80707606 1224614389 2449228778 8572300723 17144601446 60006105061 120012210122