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12203230121329 = 13311031433205157
BaseRepresentation
bin1011000110010100100100…
…1100100100110101110001
31121012121200002101221202011
42301211021030210311301
53044414203402340304
641542030404522521
72366440263361612
oct261451114446561
947177602357664
1012203230121329
1139853a72a1a65
1214510990b0441
136a69b4c95850
143028d4a89c09
15162679c42c04
hexb1949324d71

12203230121329 has 32 divisors (see below), whose sum is σ = 13707206682624. Its totient is φ = 10787726154240.

The previous prime is 12203230121293. The next prime is 12203230121333. The reversal of 12203230121329 is 92312103230221.

It is a cyclic number.

It is not a de Polignac number, because 12203230121329 - 229 = 12202693250417 is a prime.

It is a super-2 number, since 2×122032301213292 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 12203230121329.

It is not an unprimeable number, because it can be changed into a prime (12203230121339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59379819 + ... + 59584975.

It is an arithmetic number, because the mean of its divisors is an integer number (428350208832).

Almost surely, 212203230121329 is an apocalyptic number.

It is an amenable number.

12203230121329 is a deficient number, since it is larger than the sum of its proper divisors (1503976561295).

12203230121329 is a wasteful number, since it uses less digits than its factorization.

12203230121329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206737.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 12203230121329 in words is "twelve trillion, two hundred three billion, two hundred thirty million, one hundred twenty-one thousand, three hundred twenty-nine".

Divisors: 1 13 31 103 403 1339 1433 3193 18629 41509 44423 147599 205157 577499 1918787 2667041 4575569 6359867 21131171 59482397 82678271 274705223 293989981 655066301 3821869753 8515861913 9113689411 30280968043 118477962343 393652584559 938710009333 12203230121329