Search a number
-
+
12020120110 = 253138774581
BaseRepresentation
bin10110011000111010…
…00111101000101110
31011000200222100221201
423030131013220232
5144104122320420
65304424520114
7603604222645
oct131435075056
934020870851
1012020120110
115109054169
1223b562003a
13119738a80b
1482057835c
154a53e710a
hex2cc747a2e

12020120110 has 16 divisors (see below), whose sum is σ = 22334159232. Its totient is φ = 4652949600.

The previous prime is 12020120093. The next prime is 12020120149. The reversal of 12020120110 is 1102102021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19386981 + ... + 19387600.

It is an arithmetic number, because the mean of its divisors is an integer number (1395884952).

Almost surely, 212020120110 is an apocalyptic number.

12020120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020120110 is a deficient number, since it is larger than the sum of its proper divisors (10314039122).

12020120110 is a wasteful number, since it uses less digits than its factorization.

12020120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38774619.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12020120110 its reverse (1102102021), we get a palindrome (13122222131).

The spelling of 12020120110 in words is "twelve billion, twenty million, one hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 10 31 62 155 310 38774581 77549162 193872905 387745810 1202012011 2404024022 6010060055 12020120110