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122220120113 = 7132130179411
BaseRepresentation
bin111000111010011100…
…0110000100000110001
3102200110201201101202022
41301310320300200301
54000301322320423
6132051441201225
711554504610540
oct1616470604061
9380421641668
10122220120113
1147919087233
121b82b330215
13b6aa141a00
145cb6140157
1532a4d48dc8
hex1c74e30831

122220120113 has 24 divisors (see below), whose sum is σ = 151369436736. Its totient is φ = 96626088000.

The previous prime is 122220120107. The next prime is 122220120137. The reversal of 122220120113 is 311021022221.

It is not a de Polignac number, because 122220120113 - 216 = 122220054577 is a prime.

It is a super-2 number, since 2×1222201201132 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122220120091 and 122220120100.

It is not an unprimeable number, because it can be changed into a prime (122220120193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1499378 + ... + 1578788.

It is an arithmetic number, because the mean of its divisors is an integer number (6307059864).

Almost surely, 2122220120113 is an apocalyptic number.

122220120113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122220120113 is a deficient number, since it is larger than the sum of its proper divisors (29149316623).

122220120113 is a wasteful number, since it uses less digits than its factorization.

122220120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80745 (or 80732 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122220120113 its reverse (311021022221), we get a palindrome (433241142334).

The spelling of 122220120113 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, one hundred thirteen".

Divisors: 1 7 13 91 169 1183 1301 9107 16913 79411 118391 219869 555877 1032343 1539083 7226401 13420459 93943213 103313711 723195977 1343078243 9401547701 17460017159 122220120113