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122056067172 = 223131845742391
BaseRepresentation
bin111000110101100011…
…0111100100001100100
3102200001022000122102110
41301223012330201210
53444432323122142
6132023301041020
711550443311224
oct1615306744144
9380038018373
10122056067172
1147844516896
121b7a43b6170
13b682162570
145c9c438084
15329574099c
hex1c6b1bc864

122056067172 has 48 divisors (see below), whose sum is σ = 306728842112. Its totient is φ = 37552792320.

The previous prime is 122056067171. The next prime is 122056067173. The reversal of 122056067172 is 271760650221.

It is an interprime number because it is at equal distance from previous prime (122056067171) and next prime (122056067173).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 122056067172.

It is not an unprimeable number, because it can be changed into a prime (122056067171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2858097 + ... + 2900487.

Almost surely, 2122056067172 is an apocalyptic number.

122056067172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122056067172 is an abundant number, since it is smaller than the sum of its proper divisors (184672774940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122056067172 is a wasteful number, since it uses less digits than its factorization.

122056067172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60868 (or 60866 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 122056067172 in words is "one hundred twenty-two billion, fifty-six million, sixty-seven thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 18457 36914 42391 55371 73828 84782 110742 127173 169564 221484 239941 254346 479882 508692 551083 719823 959764 1102166 1439646 1653249 2204332 2879292 3306498 6612996 782410687 1564821374 2347232061 3129642748 4694464122 9388928244 10171338931 20342677862 30514016793 40685355724 61028033586 122056067172