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1312213210211 = 19167413556007
BaseRepresentation
bin10011000110000110000…
…000001001010001100011
311122110001101122211000002
4103012012000021101203
5132444403040211321
62442453351050215
7163542603152261
oct23060600112143
94573041584002
101312213210211
11466563169852
1219239567096b
1396983490047
1447723627431
152420125e20b
hex13186009463

1312213210211 has 8 divisors (see below), whose sum is σ = 1389548186880. Its totient is φ = 1235705345928.

The previous prime is 1312213210159. The next prime is 1312213210219. The reversal of 1312213210211 is 1120123122131.

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 1312213210211 - 210 = 1312213209187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312213210219) 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, 206774831 + ... + 206781176.

It is an arithmetic number, because the mean of its divisors is an integer number (173693523360).

Almost surely, 21312213210211 is an apocalyptic number.

1312213210211 is a deficient number, since it is larger than the sum of its proper divisors (77334976669).

1312213210211 is a wasteful number, since it uses less digits than its factorization.

1312213210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413556193.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1312213210211 its reverse (1120123122131), we get a palindrome (2432336332342).

The spelling of 1312213210211 in words is "one trillion, three hundred twelve billion, two hundred thirteen million, two hundred ten thousand, two hundred eleven".

Divisors: 1 19 167 3173 413556007 7857564133 69063853169 1312213210211