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122312120022330 = 2357471011097111847
BaseRepresentation
bin11011110011111000000010…
…011101110011010100111010
3121001001220221221111211200120
4123303320002131303110322
5112012430210211203310
61112045225013114110
734522521233124630
oct3363700235632472
9531056857454616
10122312120022330
1135a7730809a477
1211874aa9628936
135332ca2788594
14222bd1c5a3350
15e21943d6eb70
hex6f3e0277353a

122312120022330 has 256 divisors, whose sum is σ = 346333462953984. Its totient is φ = 27066374092800.

The previous prime is 122312120022223. The next prime is 122312120022347. The reversal of 122312120022330 is 33220021213221.

It is a self number, because there is not a number n which added to its sum of digits gives 122312120022330.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1093510467 + ... + 1093622313.

It is an arithmetic number, because the mean of its divisors is an integer number (1352865089664).

Almost surely, 2122312120022330 is an apocalyptic number.

122312120022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122312120022330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173166731476992).

122312120022330 is an abundant number, since it is smaller than the sum of its proper divisors (224021342931654).

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

122312120022330 is a wasteful number, since it uses less digits than its factorization.

122312120022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113109.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 122312120022330 its reverse (33220021213221), we get a palindrome (155532141235551).

The spelling of 122312120022330 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred twenty million, twenty-two thousand, three hundred thirty".