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1020222002212 = 22729433551809
BaseRepresentation
bin11101101100010011111…
…10000101010000100100
310121112101000200120111221
432312021332011100210
5113203403313032322
62100403350110124
7133465023635500
oct16661176052044
93545330616457
101020222002212
113637457a5516
1214588634b344
137528b96231a
1437543ddb300
151b811c359c7
hexed89f85424

1020222002212 has 36 divisors (see below), whose sum is σ = 2077104440460. Its totient is φ = 437190856704.

The previous prime is 1020222002153. The next prime is 1020222002227. The reversal of 1020222002212 is 2122002220201.

It can be written as a sum of positive squares in 2 ways, for example, as 674412143076 + 345809859136 = 821226^2 + 588056^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1572964 + ... + 2124772.

Almost surely, 21020222002212 is an apocalyptic number.

It is an amenable number.

1020222002212 is an abundant number, since it is smaller than the sum of its proper divisors (1056882438248).

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

1020222002212 is a wasteful number, since it uses less digits than its factorization.

1020222002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561260 (or 561251 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1020222002212 its reverse (2122002220201), we get a palindrome (3142224222413).

The spelling of 1020222002212 in words is "one trillion, twenty billion, two hundred twenty-two million, two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 9433 18866 37732 66031 132062 264124 462217 551809 924434 1103618 1848868 2207236 3862663 7725326 15450652 27038641 54077282 108154564 5205214297 10410428594 20820857188 36436500079 72873000158 145746000316 255055500553 510111001106 1020222002212