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121000120212012 = 22316785977023299
BaseRepresentation
bin11011100000110010001001…
…001011101101101000101100
3120212102111110102101212022020
4123200302021023231220230
5111324431221233241022
61105202404323550140
734325653530546426
oct3340621113555054
9525374412355266
10121000120212012
1135610954436178
12116a277352b350
135269354594a82
1421c4619449816
15dec75671535c
hex6e0c892eda2c

121000120212012 has 48 divisors (see below), whose sum is σ = 284057312313600. Its totient is φ = 40087187019712.

The previous prime is 121000120212007. The next prime is 121000120212061. The reversal of 121000120212012 is 210212021000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000120211982 and 121000120212000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13716739 + ... + 20740037.

It is an arithmetic number, because the mean of its divisors is an integer number (5917860673200).

Almost surely, 2121000120212012 is an apocalyptic number.

121000120212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121000120212012 is an abundant number, since it is smaller than the sum of its proper divisors (163057192101588).

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

121000120212012 is a wasteful number, since it uses less digits than its factorization.

121000120212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032070 (or 7032068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121000120212012 its reverse (210212021000121), we get a palindrome (331212141212133).

The spelling of 121000120212012 in words is "one hundred twenty-one trillion, one hundred twenty million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 167 334 501 668 1002 2004 8597 17194 25791 34388 51582 103164 1435699 2871398 4307097 5742796 7023299 8614194 14046598 17228388 21069897 28093196 42139794 84279588 1172890933 2345781866 3518672799 4691563732 7037345598 14074691196 60379301503 120758603006 181137904509 241517206012 362275809018 724551618036 10083343351001 20166686702002 30250030053003 40333373404004 60500060106006 121000120212012