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120102310201 = 313874268071
BaseRepresentation
bin110111111011010100…
…1111101000100111001
3102111000010200111201011
41233312221331010321
53431432142411301
6131101345153521
711451150535606
oct1576651750471
9374003614634
10120102310201
1146a31694305
121b33a02b8a1
13b430459553
145b54b796ad
1531cde64a51
hex1bf6a7d139

120102310201 has 4 divisors (see below), whose sum is σ = 123976578304. Its totient is φ = 116228042100.

The previous prime is 120102310189. The next prime is 120102310219. The reversal of 120102310201 is 102013201021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102013201021 = 652571563253.

It is a cyclic number.

It is not a de Polignac number, because 120102310201 - 25 = 120102310169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102310301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937134005 + ... + 1937134066.

It is an arithmetic number, because the mean of its divisors is an integer number (30994144576).

Almost surely, 2120102310201 is an apocalyptic number.

It is an amenable number.

120102310201 is a deficient number, since it is larger than the sum of its proper divisors (3874268103).

120102310201 is an equidigital number, since it uses as much as digits as its factorization.

120102310201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874268102.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120102310201 its reverse (102013201021), we get a palindrome (222115511222).

The spelling of 120102310201 in words is "one hundred twenty billion, one hundred two million, three hundred ten thousand, two hundred one".

Divisors: 1 31 3874268071 120102310201