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11030112012 = 2232298214889
BaseRepresentation
bin10100100010111001…
…00010011100001100
31001110201002202011010
422101130202130030
5140042202041022
65022301325220
7540223255653
oct122134423414
931421082133
1011030112012
114750235457
122179b66810
13106a23b5ca
14768cac19a
1544853b50c
hex29172270c

11030112012 has 48 divisors (see below), whose sum is σ = 25886095200. Its totient is φ = 3655441920.

The previous prime is 11030112007. The next prime is 11030112017. The reversal of 11030112012 is 21021103011.

It is an interprime number because it is at equal distance from previous prime (11030112007) and next prime (11030112017).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11030112017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2253664 + ... + 2258552.

It is an arithmetic number, because the mean of its divisors is an integer number (539293650).

Almost surely, 211030112012 is an apocalyptic number.

11030112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11030112012 is an abundant number, since it is smaller than the sum of its proper divisors (14855983188).

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

11030112012 is a wasteful number, since it uses less digits than its factorization.

11030112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946 (or 5944 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11030112012 its reverse (21021103011), we get a palindrome (32051215023).

Subtracting 11030112012 from its reverse (21021103011), we obtain a palindrome (9990990999).

The spelling of 11030112012 in words is "eleven billion, thirty million, one hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 229 458 687 821 916 1374 1642 2463 2748 3284 4889 4926 9778 9852 14667 19556 29334 58668 188009 376018 564027 752036 1119581 1128054 2239162 2256108 3358743 4013869 4478324 6717486 8027738 12041607 13434972 16055476 24083214 48166428 919176001 1838352002 2757528003 3676704004 5515056006 11030112012