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1210121201332 = 22417378787813
BaseRepresentation
bin10001100111000000110…
…110000010011010110100
311021200112102112102002001
4101213000312002122310
5124311312011420312
62323531053025044
7153266634331441
oct21470066023264
94250472472061
101210121201332
1142723396349a
12176643185184
138a16342cb34
14427da7da9c8
152172853a057
hex119c0d826b4

1210121201332 has 12 divisors (see below), whose sum is σ = 2169363617316. Its totient is φ = 590303024960.

The previous prime is 1210121201329. The next prime is 1210121201353. The reversal of 1210121201332 is 2331021210121.

It can be written as a sum of positive squares in 2 ways, for example, as 419028360976 + 791092840356 = 647324^2 + 889434^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689393743 + ... + 3689394070.

It is an arithmetic number, because the mean of its divisors is an integer number (180780301443).

Almost surely, 21210121201332 is an apocalyptic number.

It is an amenable number.

1210121201332 is a deficient number, since it is larger than the sum of its proper divisors (959242415984).

1210121201332 is a wasteful number, since it uses less digits than its factorization.

1210121201332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378787858 (or 7378787856 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1210121201332 its reverse (2331021210121), we get a palindrome (3541142411453).

The spelling of 1210121201332 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, two hundred one thousand, three hundred thirty-two".

Divisors: 1 2 4 41 82 164 7378787813 14757575626 29515151252 302530300333 605060600666 1210121201332