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122011202122012 = 227191669137414239
BaseRepresentation
bin11011101111011111110010…
…010111000111000100011100
3121000000011020110101122102101
4123233133302113013010130
5111443012420220401022
61111255101130134444
734462006221151120
oct3357376227070434
9530004213348371
10122011202122012
1135970729855075
1211826708881424
1353107b77367b8
14221b5335a5580
15e18bd0cea627
hex6ef7f25c711c

122011202122012 has 48 divisors (see below), whose sum is σ = 257019594496000. Its totient is φ = 49508700980544.

The previous prime is 122011202122009. The next prime is 122011202122027. The reversal of 122011202122012 is 210221202110221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67819212 + ... + 69595027.

Almost surely, 2122011202122012 is an apocalyptic number.

It is an amenable number.

122011202122012 is an abundant number, since it is smaller than the sum of its proper divisors (135008392373988).

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

122011202122012 is a wasteful number, since it uses less digits than its factorization.

122011202122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137415938 (or 137415936 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122011202122012 its reverse (210221202110221), we get a palindrome (332232404232233).

The spelling of 122011202122012 in words is "one hundred twenty-two trillion, eleven billion, two hundred two million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 1669 3338 6676 11683 23366 31711 46732 63422 126844 221977 443954 887908 137414239 274828478 549656956 961899673 1923799346 2610870541 3847598692 5221741082 10443482164 18276093787 36552187574 73104375148 229344364891 458688729782 917377459564 1605410554237 3210821108474 4357542932929 6421642216948 8715085865858 17430171731716 30502800530503 61005601061006 122011202122012