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122020220012012 = 227231091173668553
BaseRepresentation
bin11011101111101000001011…
…110111101000010111101100
3121000001000111221010220220022
4123233220023313220113230
5111443134402310341022
61111303152030541312
734462445542022450
oct3357501367502754
9530030457126808
10122020220012012
1135974537155323
1211828404967838
1353115c3b0b99a
14221bb4b116660
15e1905c85cc42
hex6efa0bde85ec

122020220012012 has 48 divisors (see below), whose sum is σ = 254884305940992. Its totient is φ = 49974862523520.

The previous prime is 122020220011999. The next prime is 122020220012077. The reversal of 122020220012012 is 210210022020221.

It is a happy 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, 86131673 + ... + 87536880.

It is an arithmetic number, because the mean of its divisors is an integer number (5310089707104).

Almost surely, 2122020220012012 is an apocalyptic number.

It is an amenable number.

122020220012012 is an abundant number, since it is smaller than the sum of its proper divisors (132864085928980).

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

122020220012012 is a wasteful number, since it uses less digits than its factorization.

122020220012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173669678 (or 173669676 counting only the distinct ones).

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

Adding to 122020220012012 its reverse (210210022020221), we get a palindrome (332230242032233).

The spelling of 122020220012012 in words is "one hundred twenty-two trillion, twenty billion, two hundred twenty million, twelve thousand, twelve".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 1091 2182 4364 7637 15274 25093 30548 50186 100372 175651 351302 702604 173668553 347337106 694674212 1215679871 2431359742 3994376719 4862719484 7988753438 15977506876 27960637033 55921274066 111842548132 189472391323 378944782646 757889565292 1326306739261 2652613478522 4357865000429 5305226957044 8715730000858 17431460001716 30505055003003 61010110006006 122020220012012