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1230111322412 = 22771961102291
BaseRepresentation
bin10001111001101000010…
…110010011000100101100
311100121010120110202222212
4101321220112103010230
5130123231444304122
62341034430425552
7154605206502020
oct21715026230454
94317116422885
101230111322412
11434761855315
1217a4a19622b8
138bccaa5904b
1443775670380
1521ee84a3ce2
hex11e6859312c

1230111322412 has 24 divisors (see below), whose sum is σ = 2463644413440. Its totient is φ = 526457330640.

The previous prime is 1230111322411. The next prime is 1230111322457. The reversal of 1230111322412 is 2142231110321.

It is not an unprimeable number, because it can be changed into a prime (1230111322411) 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, 30531014 + ... + 30571277.

It is an arithmetic number, because the mean of its divisors is an integer number (102651850560).

Almost surely, 21230111322412 is an apocalyptic number.

It is an amenable number.

1230111322412 is an abundant number, since it is smaller than the sum of its proper divisors (1233533091028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230111322412 is a wasteful number, since it uses less digits than its factorization.

1230111322412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61103021 (or 61103019 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1230111322412 its reverse (2142231110321), we get a palindrome (3372342432733).

The spelling of 1230111322412 in words is "one trillion, two hundred thirty billion, one hundred eleven million, three hundred twenty-two thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 719 1438 2876 5033 10066 20132 61102291 122204582 244409164 427716037 855432074 1710864148 43932547229 87865094458 175730188916 307527830603 615055661206 1230111322412