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12230212031010 = 2325135891244789
BaseRepresentation
bin1011000111111001000101…
…1100011001001000100010
31121022012022111121222112100
42301332101130121020202
53100334433234443020
642002252024511230
72401414025001411
oct261762134311042
947265274558470
1012230212031010
11399589293a076
12145636931b516
136a93c4cb128c
14303d3433d478
15163208902a90
hexb1f91719222

12230212031010 has 24 divisors (see below), whose sum is σ = 31798551280860. Its totient is φ = 3261389874912.

The previous prime is 12230212030999. The next prime is 12230212031041. The reversal of 12230212031010 is 1013021203221.

12230212031010 is a `hidden beast` number, since 1 + 2 + 230 + 2 + 120 + 310 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12026254116321 + 203957914689 = 3467889^2 + 451617^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67945622305 + ... + 67945622484.

Almost surely, 212230212031010 is an apocalyptic number.

12230212031010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12230212031010 is an abundant number, since it is smaller than the sum of its proper divisors (19568339249850).

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

12230212031010 is a wasteful number, since it uses less digits than its factorization.

12230212031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135891244802 (or 135891244799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12230212031010 its reverse (1013021203221), we get a palindrome (13243233234231).

The spelling of 12230212031010 in words is "twelve trillion, two hundred thirty billion, two hundred twelve million, thirty-one thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 135891244789 271782489578 407673734367 679456223945 815347468734 1223021203101 1358912447890 2038368671835 2446042406202 4076737343670 6115106015505 12230212031010