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122412131221310 = 2571992039196407
BaseRepresentation
bin11011110101010101001011…
…100110001111111100111110
3121001102111002220020011001022
4123311111023212033330332
5112021100021043040220
61112203205020144142
734532661504235340
oct3365251346177476
9531374086204038
10122412131221310
1136005769884527
121189035b098052
13533c5506b9528
142232ac8cdb290
15e2434906c925
hex6f554b98ff3e

122412131221310 has 32 divisors (see below), whose sum is σ = 265072885655040. Its totient is φ = 39760932847392.

The previous prime is 122412131221271. The next prime is 122412131221351. The reversal of 122412131221310 is 13122131214221.

It is a super-2 number, since 2×1224121312213102 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122412131221310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46019596874 + ... + 46019599533.

It is an arithmetic number, because the mean of its divisors is an integer number (8283527676720).

Almost surely, 2122412131221310 is an apocalyptic number.

122412131221310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122412131221310 is an abundant number, since it is smaller than the sum of its proper divisors (142660754433730).

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

122412131221310 is a wasteful number, since it uses less digits than its factorization.

122412131221310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92039196440.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 122412131221310 its reverse (13122131214221), we get a palindrome (135534262435531).

The spelling of 122412131221310 in words is "one hundred twenty-two trillion, four hundred twelve billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 92039196407 184078392814 460195982035 644274374849 920391964070 1288548749698 1748744731733 3221371874245 3497489463466 6442743748490 8743723658665 12241213122131 17487447317330 24482426244262 61206065610655 122412131221310