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1202201021212 = 222943562342863
BaseRepresentation
bin10001011111101000110…
…000111100101100011100
311020221002110022120110121
4101133220300330230130
5124144101430134322
62320141124044324
7152566443034342
oct21375060745434
94227073276417
101202201021212
1142393a153994
12174bb28336a4
13894a05b6119
144228898d992
1521413059ec7
hex117e8c3cb1c

1202201021212 has 48 divisors (see below), whose sum is σ = 2227460336640. Its totient is φ = 566761825728.

The previous prime is 1202201021149. The next prime is 1202201021213. The reversal of 1202201021212 is 2121201022021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202201021213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28026093 + ... + 28068955.

It is an arithmetic number, because the mean of its divisors is an integer number (46405423680).

Almost surely, 21202201021212 is an apocalyptic number.

It is an amenable number.

1202201021212 is a deficient number, since it is larger than the sum of its proper divisors (1025259315428).

1202201021212 is a wasteful number, since it uses less digits than its factorization.

1202201021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48562 (or 48560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202201021212 its reverse (2121201022021), we get a palindrome (3323402043233).

The spelling of 1202201021212 in words is "one trillion, two hundred two billion, two hundred one million, twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 29 43 58 86 116 172 1247 2494 4988 5623 11246 22492 42863 85726 163067 171452 241789 326134 483578 652268 967156 1243027 1843109 2486054 3686218 4972108 7011881 7372436 14023762 28047524 53450161 106900322 213800644 241018649 482037298 964074596 6989540821 10363801907 13979081642 20727603814 27958163284 41455207628 300550255303 601100510606 1202201021212