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122112012133321 = 7314817911679947
BaseRepresentation
bin11011110000111101101011…
…000110110010001111001001
3121000100210110002012211021221
4123300331223012302033021
5112001140400101231241
61111413252310402041
734502205332130460
oct3360755306621711
9530323402184257
10122112012133321
11359aa460439701
1211842161960321
13531a161cc2b72
1422223780399d7
15e1b6311d85d1
hex6f0f6b1b23c9

122112012133321 has 16 divisors (see below), whose sum is σ = 144061413027840. Its totient is φ = 101288958909840.

The previous prime is 122112012133273. The next prime is 122112012133351. The reversal of 122112012133321 is 123331210211221.

It is a cyclic number.

It is not a de Polignac number, because 122112012133321 - 231 = 122109864649673 is a prime.

It is a super-2 number, since 2×1221120121333212 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112012133351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4614870 + ... + 16294816.

It is an arithmetic number, because the mean of its divisors is an integer number (9003838314240).

Almost surely, 2122112012133321 is an apocalyptic number.

It is an amenable number.

122112012133321 is a deficient number, since it is larger than the sum of its proper divisors (21949400894519).

122112012133321 is a wasteful number, since it uses less digits than its factorization.

122112012133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11728164.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 122112012133321 its reverse (123331210211221), we get a palindrome (245443222344542).

The spelling of 122112012133321 in words is "one hundred twenty-two trillion, one hundred twelve billion, twelve million, one hundred thirty-three thousand, three hundred twenty-one".

Divisors: 1 7 31 217 48179 337253 1493549 10454843 11679947 81759629 362078357 2534548499 562728166513 3939097165591 17444573161903 122112012133321