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122010202002121 = 1915139424175281
BaseRepresentation
bin11011101111011110110110…
…101111111101001011001001
3121000000001122202111021211221
4123233132312233331023021
5111443003343203031441
61111254414002122041
734461642355240516
oct3357366657751311
9530001582437757
10122010202002121
113597026625a204
1211826489950321
135310688486b94
14221b47a82630d
15e18b730e38d1
hex6ef7b6bfd2c9

122010202002121 has 8 divisors (see below), whose sum is σ = 128440275389600. Its totient is φ = 115580976995520.

The previous prime is 122010202002113. The next prime is 122010202002137. The reversal of 122010202002121 is 121200202010221.

It is a happy number.

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 122010202002121 - 23 = 122010202002113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010202002095 and 122010202002104.

It is not an unprimeable number, because it can be changed into a prime (122010200002121) 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, 211800000 + ... + 212375281.

It is an arithmetic number, because the mean of its divisors is an integer number (16055034423700).

Almost surely, 2122010202002121 is an apocalyptic number.

It is an amenable number.

122010202002121 is a deficient number, since it is larger than the sum of its proper divisors (6430073387479).

122010202002121 is a wasteful number, since it uses less digits than its factorization.

122010202002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424190439.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122010202002121 its reverse (121200202010221), we get a palindrome (243210404012342).

The spelling of 122010202002121 in words is "one hundred twenty-two trillion, ten billion, two hundred two million, two thousand, one hundred twenty-one".

Divisors: 1 19 15139 287641 424175281 8059330339 6421589579059 122010202002121