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12201002211210 = 235439458141249
BaseRepresentation
bin1011000110001100010001…
…1001110001011110001010
31121012101220211012101121120
42301203010121301132022
53044400123031224320
641541021341020110
72366331131430051
oct261430431613612
947171824171546
1012201002211210
11398446373a12a
121450776b54636
136a671b541537
14302762c25398
15162599361440
hexb18c467178a

12201002211210 has 32 divisors (see below), whose sum is σ = 29963391480000. Its totient is φ = 3177935459328.

The previous prime is 12201002211163. The next prime is 12201002211241. The reversal of 12201002211210 is 1211220010221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12201002211210.

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, 4729069335 + ... + 4729071914.

It is an arithmetic number, because the mean of its divisors is an integer number (936355983750).

Almost surely, 212201002211210 is an apocalyptic number.

12201002211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201002211210 is an abundant number, since it is smaller than the sum of its proper divisors (17762389268790).

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

12201002211210 is a wasteful number, since it uses less digits than its factorization.

12201002211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458141302.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201002211210 its reverse (1211220010221), we get a palindrome (13412222221431).

The spelling of 12201002211210 in words is "twelve trillion, two hundred one billion, two million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 9458141249 18916282498 28374423747 47290706245 56748847494 94581412490 141872118735 283744237470 406700073707 813400147414 1220100221121 2033500368535 2440200442242 4067000737070 6100501105605 12201002211210