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1012310301212 = 227132893272053
BaseRepresentation
bin11101011101100100110…
…01010101101000011100
310120202221122102112001222
432232302121111220130
5113041202414114322
62053014322552512
7133064664405020
oct16566231255034
93522848375058
101012310301212
11360355857451
12144238808738
13745ca7c6b42
1436dd335a380
151b4ec37ce42
hexebb2655a1c

1012310301212 has 24 divisors (see below), whose sum is σ = 2024643279456. Its totient is φ = 433842412608.

The previous prime is 1012310301193. The next prime is 1012310301221. The reversal of 1012310301212 is 2121030132101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3584978 + ... + 3857030.

It is an arithmetic number, because the mean of its divisors is an integer number (84360136644).

Almost surely, 21012310301212 is an apocalyptic number.

It is an amenable number.

1012310301212 is an abundant number, since it is smaller than the sum of its proper divisors (1012332978244).

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

1012310301212 is a wasteful number, since it uses less digits than its factorization.

1012310301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404957 (or 404955 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1012310301212 its reverse (2121030132101), we get a palindrome (3133340433313).

The spelling of 1012310301212 in words is "one trillion, twelve billion, three hundred ten million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 132893 265786 272053 531572 544106 930251 1088212 1860502 1904371 3721004 3808742 7617484 36153939329 72307878658 144615757316 253077575303 506155150606 1012310301212