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121312330131030 = 2354043744337701
BaseRepresentation
bin11011100101010100111010…
…010110000010011001010110
3120220112100022212110001011020
4123211110322112002121112
5111400040123003143110
61110002040510022010
734360345426224453
oct3345247226023126
9526470285401136
10121312330131030
11357212a7831335
1211733185aa7906
13528c91bba621c
1421d579601082a
15e0592acacd70
hex6e553a582656

121312330131030 has 16 divisors (see below), whose sum is σ = 291149592314544. Its totient is φ = 32349954701600.

The previous prime is 121312330131017. The next prime is 121312330131043. The reversal of 121312330131030 is 30131033213121.

It is an interprime number because it is at equal distance from previous prime (121312330131017) and next prime (121312330131043).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021872168821 + ... + 2021872168880.

It is an arithmetic number, because the mean of its divisors is an integer number (18196849519659).

Almost surely, 2121312330131030 is an apocalyptic number.

121312330131030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121312330131030 is an abundant number, since it is smaller than the sum of its proper divisors (169837262183514).

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

121312330131030 is a wasteful number, since it uses less digits than its factorization.

121312330131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043744337711.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 121312330131030 its reverse (30131033213121), we get a palindrome (151443363344151).

The spelling of 121312330131030 in words is "one hundred twenty-one trillion, three hundred twelve billion, three hundred thirty million, one hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 4043744337701 8087488675402 12131233013103 20218721688505 24262466026206 40437443377010 60656165065515 121312330131030