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122111212323 = 3243711670171
BaseRepresentation
bin111000110111001100…
…1010011101100100011
3102200012010210022100110
41301232121103230203
54000040432243243
6132032551022403
711552013115242
oct1615631235443
9380163708313
10122111212323
11478726611a1
121b7ba96aa03
13b6906cc829
145ca58b0959
15329a4d4e33
hex1c6e653b23

122111212323 has 8 divisors (see below), whose sum is σ = 162821727936. Its totient is φ = 81404085800.

The previous prime is 122111212319. The next prime is 122111212387. The reversal of 122111212323 is 323212111221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122111212323 - 22 = 122111212319 is a prime.

It is a super-2 number, since 2×1221112123232 (a number of 23 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 122111212323.

It is not an unprimeable number, because it can be changed into a prime (122111212393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761973 + ... + 908198.

It is an arithmetic number, because the mean of its divisors is an integer number (20352715992).

Almost surely, 2122111212323 is an apocalyptic number.

122111212323 is a deficient number, since it is larger than the sum of its proper divisors (40710515613).

122111212323 is a wasteful number, since it uses less digits than its factorization.

122111212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694545.

The product of its digits is 288, while the sum is 21.

Adding to 122111212323 its reverse (323212111221), we get a palindrome (445323323544).

The spelling of 122111212323 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, three hundred twenty-three".

Divisors: 1 3 24371 73113 1670171 5010513 40703737441 122111212323