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20010100012212 = 22325794871132739
BaseRepresentation
bin1001000110010111101101…
…11001110011010010110100
32121211221120021102021202010
410203023312321303102310
510110321141100342322
6110320302452244220
74133452634506422
oct443136671632264
977757507367663
1020010100012212
116415265881772
1222b2112010670
13b21c3791a41b
144d26cb7b6112
1524a7968ec20c
hex1232f6e734b4

20010100012212 has 48 divisors (see below), whose sum is σ = 46718278387200. Its totient is φ = 6666028026720.

The previous prime is 20010100012187. The next prime is 20010100012283. The reversal of 20010100012212 is 21221000101002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 150681339 + ... + 150814077.

It is an arithmetic number, because the mean of its divisors is an integer number (973297466400).

Almost surely, 220010100012212 is an apocalyptic number.

It is an amenable number.

20010100012212 is an abundant number, since it is smaller than the sum of its proper divisors (26708178374988).

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

20010100012212 is a wasteful number, since it uses less digits than its factorization.

20010100012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140196 (or 140194 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20010100012212 its reverse (21221000101002), we get a palindrome (41231100113214).

The spelling of 20010100012212 in words is "twenty trillion, ten billion, one hundred million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 2579 4871 5158 7737 9742 10316 14613 15474 19484 29226 30948 58452 132739 265478 398217 530956 796434 1592868 12562309 25124618 37686927 50249236 75373854 150747708 342333881 646571669 684667762 1027001643 1293143338 1369335524 1939715007 2054003286 2586286676 3879430014 4108006572 7758860028 1667508334351 3335016668702 5002525003053 6670033337404 10005050006106 20010100012212