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12110311212001 = 237311176457307
BaseRepresentation
bin1011000000111010011011…
…0011000100001111100001
31120212201211102002021202221
42300032212303010033201
53041403404132241001
641431222234111041
72356640541600412
oct260164663041741
946781742067687
1012110311212001
113949a54a67112
12143708687b481
1369acc75119b2
142dc1dc253809
1516003c4de1a1
hexb03a6cc43e1

12110311212001 has 16 divisors (see below), whose sum is σ = 12821424130944. Its totient is φ = 11414863937664.

The previous prime is 12110311211987. The next prime is 12110311212023. The reversal of 12110311212001 is 10021211301121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12110311212001 - 239 = 11560555398113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110311212101) 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, 1353211 + ... + 5104096.

It is an arithmetic number, because the mean of its divisors is an integer number (801339008184).

Almost surely, 212110311212001 is an apocalyptic number.

It is an amenable number.

12110311212001 is a deficient number, since it is larger than the sum of its proper divisors (711112918943).

12110311212001 is a wasteful number, since it uses less digits than its factorization.

12110311212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458520.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12110311212001 its reverse (10021211301121), we get a palindrome (22131522513122).

The spelling of 12110311212001 in words is "twelve trillion, one hundred ten billion, three hundred eleven million, two hundred twelve thousand, one".

Divisors: 1 23 73 1117 1679 25691 81541 1875443 6457307 148518061 471383411 7212811919 10841818453 165894674137 526535270087 12110311212001