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12211201223210 = 2511612089871159
BaseRepresentation
bin1011000110110010010001…
…0011111010101000101010
31121020101020121102212212202
42301230210103322220222
53100032020003120320
641545425353140202
72400141643542653
oct261544423725052
947211217385782
1012211201223210
113988817821870
1214527426ba662
136a768552b392
1430304d59052a
15162994930b75
hexb1b244faa2a

12211201223210 has 64 divisors (see below), whose sum is σ = 24383141164800. Its totient is φ = 4365546969600.

The previous prime is 12211201223197. The next prime is 12211201223227. The reversal of 12211201223210 is 1232210211221.

It is a super-2 number, since 2×122112012232102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13581611 + ... + 14452769.

It is an arithmetic number, because the mean of its divisors is an integer number (380986580700).

Almost surely, 212211201223210 is an apocalyptic number.

12211201223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211201223210 is a deficient number, since it is larger than the sum of its proper divisors (12171939941590).

12211201223210 is a wasteful number, since it uses less digits than its factorization.

12211201223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873327.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12211201223210 its reverse (1232210211221), we get a palindrome (13443411434431).

The spelling of 12211201223210 in words is "twelve trillion, two hundred eleven billion, two hundred one million, two hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 61 110 122 305 610 671 1342 2089 3355 4178 6710 10445 20890 22979 45958 114895 127429 229790 254858 637145 871159 1274290 1401719 1742318 2803438 4355795 7008595 8711590 9582749 14017190 19165498 47913745 53140699 95827490 106281398 265703495 531406990 584547689 1169095378 1819851151 2922738445 3639702302 5845476890 9099255755 18198511510 20018362661 40036725322 100091813305 111010920211 200183626610 222021840422 555054601055 1110109202110 1221120122321 2442240244642 6105600611605 12211201223210