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1213234314211 = 31167234350843
BaseRepresentation
bin10001101001111010011…
…001100111101111100011
311021222120101101221010001
4101221322121213233203
5124334200441023321
62325204021520431
7153440035342333
oct21517231475743
94258511357101
101213234314211
11428591161257
12177171873117
138a53b39956a
1442a140490c3
152185b9c3c91
hex11a7a667be3

1213234314211 has 8 divisors (see below), whose sum is σ = 1259870137344. Its totient is φ = 1167067193160.

The previous prime is 1213234314169. The next prime is 1213234314221. The reversal of 1213234314211 is 1124134323121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213234314211 - 211 = 1213234312163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213234314211.

It is not an unprimeable number, because it can be changed into a prime (1213234314221) 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, 117170245 + ... + 117180598.

It is an arithmetic number, because the mean of its divisors is an integer number (157483767168).

Almost surely, 21213234314211 is an apocalyptic number.

1213234314211 is a deficient number, since it is larger than the sum of its proper divisors (46635823133).

1213234314211 is a wasteful number, since it uses less digits than its factorization.

1213234314211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234351041.

The product of its digits is 3456, while the sum is 28.

Adding to 1213234314211 its reverse (1124134323121), we get a palindrome (2337368637332).

The spelling of 1213234314211 in words is "one trillion, two hundred thirteen billion, two hundred thirty-four million, three hundred fourteen thousand, two hundred eleven".

Divisors: 1 31 167 5177 234350843 7264876133 39136590781 1213234314211