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12213112221030 = 235758157677243
BaseRepresentation
bin1011000110111001011000…
…1101110010110101100110
31121020120011210022122001210
42301232112031302311212
53100044423212033110
641550343140332250
72400240210006120
oct261562615626546
947216153278053
1012213112221030
1139896084a9806
121452b966a4086
136a78cb412a16
143031912bc210
15162a575b2520
hexb1b96372d66

12213112221030 has 32 divisors (see below), whose sum is σ = 33498822092544. Its totient is φ = 2791568507616.

The previous prime is 12213112221019. The next prime is 12213112221049. The reversal of 12213112221030 is 3012221131221.

It is a super-2 number, since 2×122131122210302 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12213112220988 and 12213112221006.

It is a congruent number.

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, 29078838412 + ... + 29078838831.

It is an arithmetic number, because the mean of its divisors is an integer number (1046838190392).

Almost surely, 212213112221030 is an apocalyptic number.

12213112221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12213112221030 is an abundant number, since it is smaller than the sum of its proper divisors (21285709871514).

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

12213112221030 is a wasteful number, since it uses less digits than its factorization.

12213112221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58157677260.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12213112221030 its reverse (3012221131221), we get a palindrome (15225333352251).

The spelling of 12213112221030 in words is "twelve trillion, two hundred thirteen billion, one hundred twelve million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 58157677243 116315354486 174473031729 290788386215 348946063458 407103740701 581576772430 814207481402 872365158645 1221311222103 1744730317290 2035518703505 2442622444206 4071037407010 6106556110515 12213112221030