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1212000211012 = 22673450222961
BaseRepresentation
bin10001101000110000110…
…101111001000001000100
311021212101101012222210011
4101220300311321001010
5124324134023223022
62324441334440004
7153364331545663
oct21506065710104
94255341188704
101212000211012
11428008582258
12176a88503004
138a3a27c4596
144293819cdda
15217d849d977
hex11a30d79044

1212000211012 has 12 divisors (see below), whose sum is σ = 2124151934716. Its totient is φ = 605099658240.

The previous prime is 1212000210973. The next prime is 1212000211033. The reversal of 1212000211012 is 2101120002121.

It can be written as a sum of positive squares in 2 ways, for example, as 659808545796 + 552191665216 = 812286^2 + 743096^2 .

It is a super-2 number, since 2×12120002110122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212000210983 and 1212000211001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225108789 + ... + 225114172.

Almost surely, 21212000211012 is an apocalyptic number.

It is an amenable number.

1212000211012 is a deficient number, since it is larger than the sum of its proper divisors (912151723704).

1212000211012 is a wasteful number, since it uses less digits than its factorization.

1212000211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450223638 (or 450223636 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212000211012 its reverse (2101120002121), we get a palindrome (3313120213133).

The spelling of 1212000211012 in words is "one trillion, two hundred twelve billion, two hundred eleven thousand, twelve".

Divisors: 1 2 4 673 1346 2692 450222961 900445922 1800891844 303000052753 606000105506 1212000211012