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121030012 = 2230257503
BaseRepresentation
bin1110011011011…
…00010101111100
322102201221222001
413031230111330
5221440430022
620002032044
72666511115
oct715542574
9272657861
10121030012
1162355704
1234648624
131c0c79bc
141210720c
15a95ab27
hex736c57c

121030012 has 6 divisors (see below), whose sum is σ = 211802528. Its totient is φ = 60515004.

The previous prime is 121030001. The next prime is 121030031. The reversal of 121030012 is 210030121.

It is a super-3 number, since 3×1210300123 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15128748 + ... + 15128755.

Almost surely, 2121030012 is an apocalyptic number.

It is an amenable number.

121030012 is a deficient number, since it is larger than the sum of its proper divisors (90772516).

121030012 is a wasteful number, since it uses less digits than its factorization.

121030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257507 (or 30257505 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 121030012 is about 11001.3640972381. The cubic root of 121030012 is about 494.6496340508.

Adding to 121030012 its reverse (210030121), we get a palindrome (331060133).

The spelling of 121030012 in words is "one hundred twenty-one million, thirty thousand, twelve".

Divisors: 1 2 4 30257503 60515006 121030012