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1232115402121 = 1964848179059
BaseRepresentation
bin10001111011011111110…
…011010000010110001001
311100210022020111120112021
4101323133303100112021
5130141333020331441
62342005341044441
7155005653055012
oct21733763202611
94323266446467
101232115402121
114355a002903a
1217a960b56721
138c25a001326
14438c58ac009
15220b43c03d1
hex11edfcd0589

1232115402121 has 4 divisors (see below), whose sum is σ = 1296963581200. Its totient is φ = 1167267223044.

The previous prime is 1232115402113. The next prime is 1232115402131. The reversal of 1232115402121 is 1212045112321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232115402121 - 23 = 1232115402113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232115402131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32424089511 + ... + 32424089548.

It is an arithmetic number, because the mean of its divisors is an integer number (324240895300).

Almost surely, 21232115402121 is an apocalyptic number.

It is an amenable number.

1232115402121 is a deficient number, since it is larger than the sum of its proper divisors (64848179079).

1232115402121 is an equidigital number, since it uses as much as digits as its factorization.

1232115402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64848179078.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 1232115402121 in words is "one trillion, two hundred thirty-two billion, one hundred fifteen million, four hundred two thousand, one hundred twenty-one".

Divisors: 1 19 64848179059 1232115402121