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1210112121102 = 23281637161359
BaseRepresentation
bin10001100111000000010…
…011011001100100001110
311021200111210110002100020
4101213000103121210032
5124311302200333402
62323530130243010
7153266464212453
oct21470023314416
94250453402306
101210112121102
11427229821375
12176640126466
138a1615a0b11
14427d951582a
15217278448bc
hex119c04d990e

1210112121102 has 16 divisors (see below), whose sum is σ = 2420310516480. Its totient is φ = 403356327992.

The previous prime is 1210112121089. The next prime is 1210112121121. The reversal of 1210112121102 is 2011212110121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3411702 + ... + 3749657.

It is an arithmetic number, because the mean of its divisors is an integer number (151269407280).

Almost surely, 21210112121102 is an apocalyptic number.

1210112121102 is an abundant number, since it is smaller than the sum of its proper divisors (1210198395378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210112121102 is a wasteful number, since it uses less digits than its factorization.

1210112121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189527.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1210112121102 its reverse (2011212110121), we get a palindrome (3221324231223).

The spelling of 1210112121102 in words is "one trillion, two hundred ten billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 28163 56326 84489 168978 7161359 14322718 21484077 42968154 201685353517 403370707034 605056060551 1210112121102