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11201012212 = 2213215404081
BaseRepresentation
bin10100110111010000…
…11110000111110100
31001220121200101011011
422123220132013310
5140414424342322
65051244322004
7544400014165
oct123350360764
931817611134
1011201012212
114828752295
122207243304
1310967775a0
1478387776c
15458548677
hex29ba1e1f4

11201012212 has 12 divisors (see below), whose sum is σ = 21109600036. Its totient is φ = 5169697920.

The previous prime is 11201012203. The next prime is 11201012231. The reversal of 11201012212 is 21221010211.

It can be written as a sum of positive squares in 2 ways, for example, as 2500600036 + 8700412176 = 50006^2 + 93276^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11201012192 and 11201012201.

It is a congruent number.

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, 107701989 + ... + 107702092.

Almost surely, 211201012212 is an apocalyptic number.

It is an amenable number.

11201012212 is a deficient number, since it is larger than the sum of its proper divisors (9908587824).

11201012212 is a wasteful number, since it uses less digits than its factorization.

11201012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215404098 (or 215404096 counting only the distinct ones).

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

Adding to 11201012212 its reverse (21221010211), we get a palindrome (32422022423).

The spelling of 11201012212 in words is "eleven billion, two hundred one million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 215404081 430808162 861616324 2800253053 5600506106 11201012212