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1201211110010 = 25616729391023
BaseRepresentation
bin10001011110101101110…
…000101111001001111010
311020211112110121212120202
4101132231300233021322
5124140040021010020
62315455002522202
7152533062653012
oct21365560571172
94224473555522
101201211110010
114234813a0a5a
12174977206362
138937349c052
14421d330ac42
15213a61bce75
hex117adc2f27a

1201211110010 has 32 divisors (see below), whose sum is σ = 2230426029312. Its totient is φ = 465553788480.

The previous prime is 1201211109997. The next prime is 1201211110039. The reversal of 1201211110010 is 100111121021.

It is a super-2 number, since 2×12012111100102 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201211109973 and 1201211110000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14654642 + ... + 14736381.

It is an arithmetic number, because the mean of its divisors is an integer number (69700813416).

Almost surely, 21201211110010 is an apocalyptic number.

1201211110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201211110010 is a deficient number, since it is larger than the sum of its proper divisors (1029214919302).

1201211110010 is a wasteful number, since it uses less digits than its factorization.

1201211110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29391158.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201211110010 its reverse (100111121021), we get a palindrome (1301322231031).

The spelling of 1201211110010 in words is "one trillion, two hundred one billion, two hundred eleven million, one hundred ten thousand, ten".

Divisors: 1 2 5 10 61 67 122 134 305 335 610 670 4087 8174 20435 40870 29391023 58782046 146955115 293910230 1792852403 1969198541 3585704806 3938397082 8964262015 9845992705 17928524030 19691985410 120121111001 240242222002 600605555005 1201211110010