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12210312121322 = 276315311381033
BaseRepresentation
bin1011000110101110111101…
…0100010000101111101010
31121020021221122102211101012
42301223233110100233222
53100023204400340242
641545201232423522
72400110626364120
oct261535724205752
947207848384335
1012210312121322
113988400963417
1214525349a7ba2
136a757327c2a3
14302da746d910
15162941858282
hexb1aef510bea

12210312121322 has 16 divisors (see below), whose sum is σ = 20932011938112. Its totient is φ = 5232978833760.

The previous prime is 12210312121291. The next prime is 12210312121409. The reversal of 12210312121322 is 22312121301221.

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, 8150918 + ... + 9531950.

It is an arithmetic number, because the mean of its divisors is an integer number (1308250746132).

Almost surely, 212210312121322 is an apocalyptic number.

12210312121322 is a deficient number, since it is larger than the sum of its proper divisors (8721699816790).

12210312121322 is a wasteful number, since it uses less digits than its factorization.

12210312121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012573.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12210312121322 its reverse (22312121301221), we get a palindrome (34522433422543).

The spelling of 12210312121322 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, one hundred twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 7 14 631531 1263062 1381033 2762066 4420717 8841434 9667231 19334462 872165151523 1744330303046 6105156060661 12210312121322