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12120054010 = 252361863867
BaseRepresentation
bin10110100100110100…
…10101100011111010
31011021200000112111021
423102122111203322
5144310213212020
65322354453054
7606226521301
oct132232254372
934250015437
1012120054010
11515a4aaa69
122422b9418a
1311b1caa1bc
1482d94d438
154ae0871aa
hex2d26958fa

12120054010 has 32 divisors (see below), whose sum is σ = 23137840512. Its totient is φ = 4561212480.

The previous prime is 12120053977. The next prime is 12120054041. The reversal of 12120054010 is 1045002121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417904 + ... + 445963.

It is an arithmetic number, because the mean of its divisors is an integer number (723057516).

Almost surely, 212120054010 is an apocalyptic number.

12120054010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120054010 is a deficient number, since it is larger than the sum of its proper divisors (11017786502).

12120054010 is a wasteful number, since it uses less digits than its factorization.

12120054010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863958.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 12120054010 its reverse (1045002121), we get a palindrome (13165056131).

The spelling of 12120054010 in words is "twelve billion, one hundred twenty million, fifty-four thousand, ten".

Divisors: 1 2 5 10 23 46 61 115 122 230 305 610 1403 2806 7015 14030 863867 1727734 4319335 8638670 19868941 39737882 52695887 99344705 105391774 198689410 263479435 526958870 1212005401 2424010802 6060027005 12120054010