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12032212241421 = 341731381621757
BaseRepresentation
bin1010111100010111011110…
…1111001000110000001101
31120121021020120002111220000
42233011313233020300031
53034113432313211141
641331304430114513
72351204302363551
oct257056757106015
946537216074800
1012032212241421
113919918149629
121423b0b64ba39
1369382c1b1178
142d850db6d861
1515cebad835b6
hexaf177bc8c0d

12032212241421 has 40 divisors (see below), whose sum is σ = 18091061232024. Its totient is φ = 7969320224640.

The previous prime is 12032212241417. The next prime is 12032212241501. The reversal of 12032212241421 is 12414221223021.

12032212241421 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 2 + 212 + 24 + 1 + 421 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 638792570025 + 11393419671396 = 799245^2 + 3375414^2 .

It is not a de Polignac number, because 12032212241421 - 22 = 12032212241417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032212245421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19041075 + ... + 19662831.

Almost surely, 212032212241421 is an apocalyptic number.

It is an amenable number.

12032212241421 is a deficient number, since it is larger than the sum of its proper divisors (6058848990603).

12032212241421 is a wasteful number, since it uses less digits than its factorization.

12032212241421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623323 (or 623314 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 12032212241421 its reverse (12414221223021), we get a palindrome (24446433464442).

The spelling of 12032212241421 in words is "twelve trillion, thirty-two billion, two hundred twelve million, two hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 3 9 27 81 173 519 1381 1557 4143 4671 12429 14013 37287 111861 238913 621757 716739 1865271 2150217 5595813 6450651 16787439 19351953 50362317 107563961 322691883 858646417 968075649 2575939251 2904226947 7727817753 8712680841 23183453259 69550359777 148545830141 445637490423 1336912471269 4010737413807 12032212241421