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1210211200012 = 22470416431683
BaseRepresentation
bin10001100111000110001…
…101010110110000001100
311021200202200212211001111
4101213012031112300030
5124312003031400022
62323544030021404
7153302106320323
oct21470615266014
94250680784044
101210211200012
1142727a743871
12176669347864
138a178c812a9
14428087470ba
15217313b6477
hex119c6356c0c

1210211200012 has 12 divisors (see below), whose sum is σ = 2117914951096. Its totient is φ = 605092642560.

The previous prime is 1210211199997. The next prime is 1210211200021. The reversal of 1210211200012 is 2100021120121.

It is a super-2 number, since 2×12102112000122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210211199965 and 1210211200001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027678 + ... + 3404005.

Almost surely, 21210211200012 is an apocalyptic number.

It is an amenable number.

1210211200012 is a deficient number, since it is larger than the sum of its proper divisors (907703751084).

1210211200012 is a wasteful number, since it uses less digits than its factorization.

1210211200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478728 (or 6478726 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210211200012 its reverse (2100021120121), we get a palindrome (3310232320133).

The spelling of 1210211200012 in words is "one trillion, two hundred ten billion, two hundred eleven million, two hundred thousand, twelve".

Divisors: 1 2 4 47041 94082 188164 6431683 12863366 25726732 302552800003 605105600006 1210211200012