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122102012222 = 2457195168473
BaseRepresentation
bin111000110110111011…
…0001101100100111110
3102200011111110220011222
41301231312031210332
54000031103342342
6132032021513342
711551541656631
oct1615566154476
9380144426158
10122102012222
1147868448003
121b7b7872852
13b68b82b098
145ca4597c18
1532997b8ed2
hex1c6dd8d93e

122102012222 has 16 divisors (see below), whose sum is σ = 183650554752. Its totient is φ = 60885302400.

The previous prime is 122102012213. The next prime is 122102012239. The reversal of 122102012222 is 222210201221.

It is a happy number.

It is a super-2 number, since 2×1221020122222 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122102012222.

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, 1748978 + ... + 1817450.

It is an arithmetic number, because the mean of its divisors is an integer number (11478159672).

Almost surely, 2122102012222 is an apocalyptic number.

122102012222 is a deficient number, since it is larger than the sum of its proper divisors (61548542530).

122102012222 is a wasteful number, since it uses less digits than its factorization.

122102012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70883.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122102012222 its reverse (222210201221), we get a palindrome (344312213443).

The spelling of 122102012222 in words is "one hundred twenty-two billion, one hundred two million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 457 914 1951 3902 68473 136946 891607 1783214 31292161 62584322 133590823 267181646 61051006111 122102012222