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120200121002021 = 659918214899379
BaseRepresentation
bin11011010101001001000101…
…100000111010100000100101
3120202121000112002202021000012
4123111021011200322200211
5111223324321434031041
61103351101232300005
734214113023504554
oct3325110540724045
9522530462667005
10120200121002021
1135332648770a85
12115937093a1605
13520ba90833b78
142197a0724bd9b
15dd6a3352c3eb
hex6d524583a825

120200121002021 has 4 divisors (see below), whose sum is σ = 120218335908000. Its totient is φ = 120181906096044.

The previous prime is 120200121002011. The next prime is 120200121002069.

120200121002021 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120200121002021 - 222 = 120200116807717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120200121001987 and 120200121002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200121002011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9107443091 + ... + 9107456288.

It is an arithmetic number, because the mean of its divisors is an integer number (30054583977000).

Almost surely, 2120200121002021 is an apocalyptic number.

It is an amenable number.

120200121002021 is a deficient number, since it is larger than the sum of its proper divisors (18214905979).

120200121002021 is an equidigital number, since it uses as much as digits as its factorization.

120200121002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18214905978.

The product of its (nonzero) digits is 32, while the sum is 14.

The spelling of 120200121002021 in words is "one hundred twenty trillion, two hundred billion, one hundred twenty-one million, two thousand, twenty-one".

Divisors: 1 6599 18214899379 120200121002021