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122122000212 = 22371143335681
BaseRepresentation
bin111000110111100001…
…0011101011101010100
3102200012220002101112220
41301233002131131110
54000101213001322
6132034014142340
711552203605642
oct1615702353524
9380186071486
10122122000212
114787875a303
121b8024b19b0
13b692a08bb4
145ca70bc192
15329b41655c
hex1c6f09d754

122122000212 has 24 divisors (see below), whose sum is σ = 288964734912. Its totient is φ = 40133990400.

The previous prime is 122122000201. The next prime is 122122000229. The reversal of 122122000212 is 212000221221.

It is a junction number, because it is equal to n+sod(n) for n = 122122000191 and 122122000200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71666989 + ... + 71668692.

It is an arithmetic number, because the mean of its divisors is an integer number (12040197288).

Almost surely, 2122122000212 is an apocalyptic number.

122122000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122122000212 is an abundant number, since it is smaller than the sum of its proper divisors (166842734700).

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

122122000212 is a wasteful number, since it uses less digits than its factorization.

122122000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143335759 (or 143335757 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122122000212 its reverse (212000221221), we get a palindrome (334122221433).

The spelling of 122122000212 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 143335681 286671362 430007043 573342724 860014086 1720028172 10176833351 20353666702 30530500053 40707333404 61061000106 122122000212