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121211020230134 = 2109155550421737
BaseRepresentation
bin11011100011110110100011…
…110011011011110111110110
3120220011122211101222211200112
4123203312203303123313312
5111341410132134331014
61105443323551143022
734350131035251062
oct3343664363336766
9526148741884615
10121211020230134
1135692339a5630a
1211717611514a72
1352831c4ba30c3
1421d0905012aa2
15e02e9ba7973e
hex6e3da3cdbdf6

121211020230134 has 8 divisors (see below), whose sum is σ = 181983181613688. Its totient is φ = 60549959692240.

The previous prime is 121211020230133. The next prime is 121211020230137. The reversal of 121211020230134 is 431032020112121.

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

It is a super-2 number, since 2×1212110202301342 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211020230133) 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 3 ways as a sum of consecutive naturals, for example, 27775208687 + ... + 27775213050.

It is an arithmetic number, because the mean of its divisors is an integer number (22747897701711).

Almost surely, 2121211020230134 is an apocalyptic number.

121211020230134 is a deficient number, since it is larger than the sum of its proper divisors (60772161383554).

121211020230134 is a wasteful number, since it uses less digits than its factorization.

121211020230134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55550422830.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121211020230134 its reverse (431032020112121), we get a palindrome (552243040342255).

The spelling of 121211020230134 in words is "one hundred twenty-one trillion, two hundred eleven billion, twenty million, two hundred thirty thousand, one hundred thirty-four".

Divisors: 1 2 1091 2182 55550421737 111100843474 60605510115067 121211020230134