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1100212101212 = 22729757869351
BaseRepresentation
bin10000000000101001110…
…000000110000001011100
310220011211200011121220012
4100000221300012001130
5121011213244214322
62201232551342352
7142326165362300
oct20005160060134
93804750147805
101100212101212
11394663059854
1215928a9819b8
137c998a0b653
143b371719d00
151d9443eaae2
hex10029c0605c

1100212101212 has 36 divisors (see below), whose sum is σ = 2262807401904. Its totient is φ = 466658438400.

The previous prime is 1100212101211. The next prime is 1100212101229. The reversal of 1100212101212 is 2121012120011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212101211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28915664 + ... + 28953687.

It is an arithmetic number, because the mean of its divisors is an integer number (62855761164).

Almost surely, 21100212101212 is an apocalyptic number.

It is an amenable number.

1100212101212 is an abundant number, since it is smaller than the sum of its proper divisors (1162595300692).

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

1100212101212 is a wasteful number, since it uses less digits than its factorization.

1100212101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57869466 (or 57869457 counting only the distinct ones).

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

Adding to 1100212101212 its reverse (2121012120011), we get a palindrome (3221224221223).

The spelling of 1100212101212 in words is "one trillion, one hundred billion, two hundred twelve million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 97 98 194 196 388 679 1358 2716 4753 9506 19012 57869351 115738702 231477404 405085457 810170914 1620341828 2835598199 5613327047 5671196398 11226654094 11342392796 22453308188 39293289329 78586578658 157173157316 275053025303 550106050606 1100212101212