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122122221202 = 2228713266977
BaseRepresentation
bin111000110111100001…
…1010011011010010010
3102200012220111121200201
41301233003103122102
54000101242034302
6132034023005414
711552205516142
oct1615703233222
9380186447621
10122122221202
11478788a0343
121b80259986a
13b692a85667
145ca7138922
15329b45bc87
hex1c6f0d3692

122122221202 has 8 divisors (see below), whose sum is σ = 183184818876. Its totient is φ = 61060614912.

The previous prime is 122122221161. The next prime is 122122221257. The reversal of 122122221202 is 202122221221.

122122221202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 116089436961 + 6032784241 = 340719^2 + 77671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1221222212022 (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 122122221202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323938 + ... + 590914.

Almost surely, 2122122221202 is an apocalyptic number.

122122221202 is a deficient number, since it is larger than the sum of its proper divisors (61062597674).

122122221202 is a wasteful number, since it uses less digits than its factorization.

122122221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495692.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122122221202 its sum of digits (19), we get a palindrome (122122221221).

Adding to 122122221202 its reverse (202122221221), we get a palindrome (324244442423).

The spelling of 122122221202 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 228713 266977 457426 533954 61061110601 122122221202