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2012211011012 = 221403335847841
BaseRepresentation
bin11101010010000001000…
…111110101110111000100
321010100212110000111000012
4131102001013311313010
5230432002004323022
64140221425205352
7265243315246166
oct35220107656704
97110773014005
102012211011012
11706412726124
12285b91490858
1311799b339c87
146d56a518936
153752002ede2
hex1d4811f5dc4

2012211011012 has 12 divisors (see below), whose sum is σ = 3521620302396. Its totient is φ = 1006033781760.

The previous prime is 2012211010903. The next prime is 2012211011029. The reversal of 2012211011012 is 2101101122102.

It can be written as a sum of positive squares in 2 ways, for example, as 948804572356 + 1063406438656 = 974066^2 + 1031216^2 .

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, 17867789 + ... + 17980052.

It is an arithmetic number, because the mean of its divisors is an integer number (293468358533).

Almost surely, 22012211011012 is an apocalyptic number.

It is an amenable number.

2012211011012 is a deficient number, since it is larger than the sum of its proper divisors (1509409291384).

2012211011012 is a wasteful number, since it uses less digits than its factorization.

2012211011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35861878 (or 35861876 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2012211011012 its reverse (2101101122102), we get a palindrome (4113312133114).

The spelling of 2012211011012 in words is "two trillion, twelve billion, two hundred eleven million, eleven thousand, twelve".

Divisors: 1 2 4 14033 28066 56132 35847841 71695682 143391364 503052752753 1006105505506 2012211011012