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121003231230320 = 2452689356242903
BaseRepresentation
bin11011100000110101000010…
…100111010011100101110000
3120212102210111020022222010112
4123200311002213103211300
5111330004104143332240
61105204041135520452
734326123605014565
oct3340650247234560
9525383436288115
10121003231230320
113561220053328a
12116a32a1389128
13526972bc79cca
1421c48326b086c
15dec8898d8665
hex6e0d429d3970

121003231230320 has 40 divisors (see below), whose sum is σ = 281342978792736. Its totient is φ = 48399491858688.

The previous prime is 121003231230313. The next prime is 121003231230341. The reversal of 121003231230320 is 23032132300121.

It is a tau number, because it is divible by the number of its divisors (40).

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, 25970012 + ... + 30272891.

Almost surely, 2121003231230320 is an apocalyptic number.

121003231230320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121003231230320 is an abundant number, since it is smaller than the sum of its proper divisors (160339747562416).

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

121003231230320 is a wasteful number, since it uses less digits than its factorization.

121003231230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56269809 (or 56269803 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121003231230320 its reverse (23032132300121), we get a palindrome (144035363530441).

The spelling of 121003231230320 in words is "one hundred twenty-one trillion, three billion, two hundred thirty-one million, two hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 26893 53786 107572 134465 215144 268930 430288 537860 1075720 2151440 56242903 112485806 224971612 281214515 449943224 562429030 899886448 1124858060 2249716120 4499432240 1512540390379 3025080780758 6050161561516 7562701951895 12100323123032 15125403903790 24200646246064 30250807807580 60501615615160 121003231230320