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12212112031030 = 254543572687779
BaseRepresentation
bin1011000110110101101010…
…0110010111110100110110
31121020110121002021201022201
42301231122212113310312
53100040401134443110
641550100011015114
72400203343354232
oct261553246276466
947213532251281
1012212112031030
1139891449661aa
12145295773a49a
136a779c13a212
143030d85215c2
151629e9894b3a
hexb1b5a997d36

12212112031030 has 16 divisors (see below), whose sum is σ = 21981858214320. Its totient is φ = 4884832243872.

The previous prime is 12212112030991. The next prime is 12212112031073. The reversal of 12212112031030 is 3013021121221.

It is a junction number, because it is equal to n+sod(n) for n = 12212112030989 and 12212112031007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3199681 + ... + 5887459.

It is an arithmetic number, because the mean of its divisors is an integer number (1373866138395).

Almost surely, 212212112031030 is an apocalyptic number.

12212112031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212112031030 is a deficient number, since it is larger than the sum of its proper divisors (9769746183290).

12212112031030 is a wasteful number, since it uses less digits than its factorization.

12212112031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142143.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12212112031030 its reverse (3013021121221), we get a palindrome (15225133152251).

The spelling of 12212112031030 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, thirty-one thousand, thirty".

Divisors: 1 2 5 10 454357 908714 2271785 2687779 4543570 5375558 13438895 26877790 1221211203103 2442422406206 6106056015515 12212112031030