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12020100002 = 217729748449
BaseRepresentation
bin10110011000111010…
…00010101110100010
31011000200221100100222
423030131002232202
5144104121200002
65304424243042
7603604110221
oct131435025642
934020840328
1012020100002
115109040049
1223b5610482
131197381611
14820570cb8
154a53e11a2
hex2cc742ba2

12020100002 has 16 divisors (see below), whose sum is σ = 19093757400. Its totient is φ = 5655625728.

The previous prime is 12020099999. The next prime is 12020100007. The reversal of 12020100002 is 20000102021.

It can be written as a sum of positive squares in 4 ways, for example, as 12005804041 + 14295961 = 109571^2 + 3781^2 .

It is not an unprimeable number, because it can be changed into a prime (12020100007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223874 + ... + 272322.

Almost surely, 212020100002 is an apocalyptic number.

12020100002 is a deficient number, since it is larger than the sum of its proper divisors (7073657398).

12020100002 is a wasteful number, since it uses less digits than its factorization.

12020100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55765.

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

Adding to 12020100002 its reverse (20000102021), we get a palindrome (32020202023).

The spelling of 12020100002 in words is "twelve billion, twenty million, one hundred thousand, two".

Divisors: 1 2 17 34 7297 14594 48449 96898 124049 248098 823633 1647266 353532353 707064706 6010050001 12020100002