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1210120102013 = 3139036132323
BaseRepresentation
bin10001100111000000110…
…001110110000001111101
311021200112100110120002112
4101213000301312001331
5124311311221231023
62323531013303405
7153266622102434
oct21470061660175
94250470416075
101210120102013
11427233282569
12176642934b65
138a163136654
14427da5d211b
15217283be478
hex119c0c7607d

1210120102013 has 4 divisors (see below), whose sum is σ = 1249156234368. Its totient is φ = 1171083969660.

The previous prime is 1210120101997. The next prime is 1210120102039. The reversal of 1210120102013 is 3102010210121.

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 1210120102013 - 24 = 1210120101997 is a prime.

It is a super-2 number, since 2×12101201020132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210120102913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19518066131 + ... + 19518066192.

It is an arithmetic number, because the mean of its divisors is an integer number (312289058592).

Almost surely, 21210120102013 is an apocalyptic number.

It is an amenable number.

1210120102013 is a deficient number, since it is larger than the sum of its proper divisors (39036132355).

1210120102013 is an equidigital number, since it uses as much as digits as its factorization.

1210120102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39036132354.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1210120102013 its reverse (3102010210121), we get a palindrome (4312130312134).

The spelling of 1210120102013 in words is "one trillion, two hundred ten billion, one hundred twenty million, one hundred two thousand, thirteen".

Divisors: 1 31 39036132323 1210120102013