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120320122001021 = 1132525342164489
BaseRepresentation
bin11011010110111000110110…
…001000011001011001111101
3120210000111021011210121212122
4123112320312020121121331
5111232311102213013041
61103522145002212325
734225561534250525
oct3326706610313175
9523014234717778
10120320122001021
1135379528148718
12115b2a194b40a5
13521a1a5caab57
14219d74c774685
15dd9c0862dc4b
hex6d6e3621967d

120320122001021 has 8 divisors (see below), whose sum is σ = 121389711472440. Its totient is φ = 119250616909312.

The previous prime is 120320122000963. The next prime is 120320122001063. The reversal of 120320122001021 is 120100221023021.

It can be written as a sum of positive squares in 4 ways, for example, as 6948970488100 + 113371151512921 = 2636090^2 + 10647589^2 .

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 120320122001021 - 26 = 120320122000957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120320122000021) 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, 18228656 + ... + 23935833.

It is an arithmetic number, because the mean of its divisors is an integer number (15173713934055).

Almost surely, 2120320122001021 is an apocalyptic number.

It is an amenable number.

120320122001021 is a deficient number, since it is larger than the sum of its proper divisors (1069589471419).

120320122001021 is a wasteful number, since it uses less digits than its factorization.

120320122001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42189855.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120320122001021 its reverse (120100221023021), we get a palindrome (240420343024042).

The spelling of 120320122001021 in words is "one hundred twenty trillion, three hundred twenty billion, one hundred twenty-two million, one thousand, twenty-one".

Divisors: 1 113 25253 2853589 42164489 4764587257 1064779840717 120320122001021