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1230102012222 = 23390725115399
BaseRepresentation
bin10001111001100111110…
…010110010000100111110
311100121002220221202211000
4101321213302302010332
5130123222103342342
62341033455111130
7154605034404426
oct21714762620476
94317086852730
101230102012222
11434757576446
1217a49a8124a6
138bcc8b49465
1443774329486
1521ee776544c
hex11e67cb213e

1230102012222 has 32 divisors (see below), whose sum is σ = 2736573984000. Its totient is φ = 409581910584.

The previous prime is 1230102012197. The next prime is 1230102012229. The reversal of 1230102012222 is 2222102010321.

1230102012222 is a `hidden beast` number, since 1 + 230 + 10 + 201 + 2 + 222 = 666.

It is a super-2 number, since 2×12301020122222 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1230102012195 and 1230102012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230102012229) 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, 12508722 + ... + 12606677.

It is an arithmetic number, because the mean of its divisors is an integer number (85517937000).

Almost surely, 21230102012222 is an apocalyptic number.

1230102012222 is an abundant number, since it is smaller than the sum of its proper divisors (1506471971778).

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

1230102012222 is a wasteful number, since it uses less digits than its factorization.

1230102012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25116317 (or 25116311 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1230102012222 its reverse (2222102010321), we get a palindrome (3452204022543).

The spelling of 1230102012222 in words is "one trillion, two hundred thirty billion, one hundred two million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 907 1814 2721 5442 8163 16326 24489 48978 25115399 50230798 75346197 150692394 226038591 452077182 678115773 1356231546 22779666893 45559333786 68339000679 136678001358 205017002037 410034004074 615051006111 1230102012222