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1213231410422 = 23372371759193
BaseRepresentation
bin10001101001111010001…
…110100010110011110110
311021222120011221101212022
4101221322032202303312
5124334144220113142
62325203435353142
7153440001556433
oct21517216426366
94258504841768
101213231410422
1142858a558629
121771708b27b2
138a53a8c0945
1442a138d0b8a
152185b5ed6d2
hex11a7a3a2cf6

1213231410422 has 16 divisors (see below), whose sum is σ = 1826019482352. Its totient is φ = 604559773440.

The previous prime is 1213231410407. The next prime is 1213231410427. The reversal of 1213231410422 is 2240141323121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1213231410391 and 1213231410400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213231410427) 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, 1218458 + ... + 1977650.

It is an arithmetic number, because the mean of its divisors is an integer number (114126217647).

Almost surely, 21213231410422 is an apocalyptic number.

1213231410422 is a deficient number, since it is larger than the sum of its proper divisors (612788071930).

1213231410422 is a wasteful number, since it uses less digits than its factorization.

1213231410422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761903.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1213231410422 its reverse (2240141323121), we get a palindrome (3453372733543).

The spelling of 1213231410422 in words is "one trillion, two hundred thirteen billion, two hundred thirty-one million, four hundred ten thousand, four hundred twenty-two".

Divisors: 1 2 337 674 2371 4742 759193 799027 1518386 1598054 255848041 511696082 1800046603 3600093206 606615705211 1213231410422