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1210232120231 = 41100932924587
BaseRepresentation
bin10001100111000111011…
…101001010001110100111
311021200211011020200012102
4101213013131022032213
5124312023410321411
62323550054242315
7153302452201241
oct21470735121647
94250734220172
101210232120231
11427290532502
1217667435639b
138a1803c7514
144280b431091
1521733149d3b
hex119c774a3a7

1210232120231 has 8 divisors (see below), whose sum is σ = 1239873233424. Its totient is φ = 1180596876480.

The previous prime is 1210232120131. The next prime is 1210232120261. The reversal of 1210232120231 is 1320212320121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1210232120231 is a prime.

It is a super-2 number, since 2×12102321202312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210232120261) 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, 1048481 + ... + 1876106.

It is an arithmetic number, because the mean of its divisors is an integer number (154984154178).

Almost surely, 21210232120231 is an apocalyptic number.

1210232120231 is a deficient number, since it is larger than the sum of its proper divisors (29641113193).

1210232120231 is a wasteful number, since it uses less digits than its factorization.

1210232120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934721.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1210232120231 its reverse (1320212320121), we get a palindrome (2530444440352).

The spelling of 1210232120231 in words is "one trillion, two hundred ten billion, two hundred thirty-two million, one hundred twenty thousand, two hundred thirty-one".

Divisors: 1 41 10093 413813 2924587 119908067 29517856591 1210232120231