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122030202021021 = 3274741212496461
BaseRepresentation
bin11011101111110001011110…
…110101111110010010011101
3121000001222021121001112000200
4123233301132311332102131
5111443320323204133041
61111311522332014113
734463251110503520
oct3357613665762235
9530058247045020
10122030202021021
11359787997a1448
121182a32b901339
135312524b6a2a8
14221c416b14bb7
15e19443d651b6
hex6efc5ed7e49d

122030202021021 has 24 divisors (see below), whose sum is σ = 205732782338304. Its totient is φ = 68247894137760.

The previous prime is 122030202020933. The next prime is 122030202021031. The reversal of 122030202021021 is 120120202030221.

122030202021021 is a `hidden beast` number, since 1 + 220 + 30 + 202 + 0 + 210 + 2 + 1 = 666.

It is not a de Polignac number, because 122030202021021 - 27 = 122030202020893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122030202020985 and 122030202021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122030202021031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20606245270 + ... + 20606251191.

It is an arithmetic number, because the mean of its divisors is an integer number (8572199264096).

Almost surely, 2122030202021021 is an apocalyptic number.

It is an amenable number.

122030202021021 is a deficient number, since it is larger than the sum of its proper divisors (83702580317283).

122030202021021 is a wasteful number, since it uses less digits than its factorization.

122030202021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41212496521 (or 41212496518 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122030202021021 its reverse (120120202030221), we get a palindrome (242150404051242).

The spelling of 122030202021021 in words is "one hundred twenty-two trillion, thirty billion, two hundred two million, twenty-one thousand, twenty-one".

Divisors: 1 3 7 9 21 47 63 141 329 423 987 2961 41212496461 123637489383 288487475227 370912468149 865462425681 1936987333667 2596387277043 5810962001001 13558911335669 17432886003003 40676734007007 122030202021021