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1012130211100 = 225239251257861
BaseRepresentation
bin11101011101001111010…
…10010110010100011100
310120202111002112222212211
432232213222112110130
5113040320313223400
62052544411010204
7133060346562661
oct16564752262434
93522432488784
101012130211100
11360273133048
121441a8439964
137459c3c0c48
1436db747ba68
151b4db657dba
hexeba7a9651c

1012130211100 has 36 divisors (see below), whose sum is σ = 2196387031608. Its totient is φ = 404840200000.

The previous prime is 1012130211077. The next prime is 1012130211101. The reversal of 1012130211100 is 11120312101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012130211101) 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, 3796170 + ... + 4054030.

It is an arithmetic number, because the mean of its divisors is an integer number (61010750878).

Almost surely, 21012130211100 is an apocalyptic number.

1012130211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012130211100 is an abundant number, since it is smaller than the sum of its proper divisors (1184256820508).

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

1012130211100 is a wasteful number, since it uses less digits than its factorization.

1012130211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297126 (or 297119 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1012130211100 its reverse (11120312101), we get a palindrome (1023250523201).

The spelling of 1012130211100 in words is "one trillion, twelve billion, one hundred thirty million, two hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 39251 78502 157004 196255 257861 392510 515722 785020 981275 1031444 1289305 1962550 2578610 3925100 5157220 6446525 12893050 25786100 10121302111 20242604222 40485208444 50606510555 101213021110 202426042220 253032552775 506065105550 1012130211100