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1201232220310 = 25293409976867
BaseRepresentation
bin10001011110101111000…
…001010001000010010110
311020211120221100101110201
4101132233001101002112
5124140110422022220
62315501035211114
7152533440255043
oct21365701210226
94224527311421
101201232220310
114234922aa491
121749822a6a9a
1389377980955
14421d60441ca
15213a7e8cd0a
hex117af051096

1201232220310 has 16 divisors (see below), whose sum is σ = 2169597585456. Its totient is φ = 478852979488.

The previous prime is 1201232220277. The next prime is 1201232220311. The reversal of 1201232220310 is 130222321021.

It is a super-2 number, since 2×12012322203102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201232220311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204985504 + ... + 204991363.

It is an arithmetic number, because the mean of its divisors is an integer number (135599849091).

Almost surely, 21201232220310 is an apocalyptic number.

1201232220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201232220310 is a deficient number, since it is larger than the sum of its proper divisors (968365365146).

1201232220310 is a wasteful number, since it uses less digits than its factorization.

1201232220310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409977167.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1201232220310 its reverse (130222321021), we get a palindrome (1331454541331).

The spelling of 1201232220310 in words is "one trillion, two hundred one billion, two hundred thirty-two million, two hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 293 586 1465 2930 409976867 819953734 2049884335 4099768670 120123222031 240246444062 600616110155 1201232220310