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BaseRepresentation
bin11011110011111001000100…
…001001100001001011000001
3121001002000210202002011201011
4123303321010021201023001
5112012434434313020340
61112045530220240521
734522560443602504
oct3363710411411301
9531060722064634
10122313222001345
1135a77823136631
12118751566a0141
135333119b7cc7b
14222bdc4a9913b
15e219aa9970ea
hex6f3e442612c1

122313222001345 has 32 divisors (see below), whose sum is σ = 155053326726144. Its totient is φ = 92480432486400.

The previous prime is 122313222001343. The next prime is 122313222001403. The reversal of 122313222001345 is 543100222313221.

It is a happy number.

It is not a de Polignac number, because 122313222001345 - 21 = 122313222001343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122313222001343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52724389 + ... + 54995341.

It is an arithmetic number, because the mean of its divisors is an integer number (4845416460192).

Almost surely, 2122313222001345 is an apocalyptic number.

It is an amenable number.

122313222001345 is a deficient number, since it is larger than the sum of its proper divisors (32740104724799).

122313222001345 is a wasteful number, since it uses less digits than its factorization.

122313222001345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279113.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 122313222001345 its reverse (543100222313221), we get a palindrome (665413444314566).

The spelling of 122313222001345 in words is "one hundred twenty-two trillion, three hundred thirteen billion, two hundred twenty-two million, one thousand, three hundred forty-five".