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12202010211212 = 2219659924329863
BaseRepresentation
bin1011000110010000000001…
…1110111111001110001100
31121012111112001221002122222
42301210000132333032030
53044404204103224322
641541305345554512
72366365121330423
oct261440036771614
947174461832588
1012202010211212
113984930727488
1214509b8645a38
136a684c31cb43
1430281aa562ba
15162607ac2e42
hexb19007bf38c

12202010211212 has 24 divisors (see below), whose sum is σ = 22480794336000. Its totient is φ = 5779023461136.

The previous prime is 12202010211211. The next prime is 12202010211271. The reversal of 12202010211212 is 21211201020221.

It is not an unprimeable number, because it can be changed into a prime (12202010211211) 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, 11663408 + ... + 12666455.

It is an arithmetic number, because the mean of its divisors is an integer number (936699764000).

Almost surely, 212202010211212 is an apocalyptic number.

It is an amenable number.

12202010211212 is a deficient number, since it is larger than the sum of its proper divisors (10278784124788).

12202010211212 is a wasteful number, since it uses less digits than its factorization.

12202010211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24336485 (or 24336483 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12202010211212 its reverse (21211201020221), we get a palindrome (33413211231433).

The spelling of 12202010211212 in words is "twelve trillion, two hundred two billion, ten million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 6599 13198 26396 125381 250762 501524 24329863 48659726 97319452 462267397 924534794 1849069588 160552765937 321105531874 642211063748 3050502552803 6101005105606 12202010211212