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1201332231212 = 221786692037911
BaseRepresentation
bin10001011110110100111…
…110110001110000101100
311020211211220112110122012
4101132310332301300230
5124140312022344322
62315515010540352
7152536063324031
oct21366476616054
94224756473565
101201332231212
114235337a9123
121749ab8976b8
13893925c93b9
1442205439388
15213b1b45ae2
hex117b4fb1c2c

1201332231212 has 24 divisors (see below), whose sum is σ = 2226255827040. Its totient is φ = 565267324160.

The previous prime is 1201332231133. The next prime is 1201332231221. The reversal of 1201332231212 is 2121322331021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429464 + ... + 1608447.

It is an arithmetic number, because the mean of its divisors is an integer number (92760659460).

Almost surely, 21201332231212 is an apocalyptic number.

It is an amenable number.

1201332231212 is a deficient number, since it is larger than the sum of its proper divisors (1024923595828).

1201332231212 is a wasteful number, since it uses less digits than its factorization.

1201332231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046601 (or 2046599 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1201332231212 its reverse (2121322331021), we get a palindrome (3322654562233).

The spelling of 1201332231212 in words is "one trillion, two hundred one billion, three hundred thirty-two million, two hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 8669 17338 34676 147373 294746 589492 2037911 4075822 8151644 34644487 69288974 138577948 17666650459 35333300918 70666601836 300333057803 600666115606 1201332231212