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121210032113031 = 3436115403486099
BaseRepresentation
bin11011100011110101101000…
…111010000100010110000111
3120220011120021112200021211210
4123203311220322010112013
5111341401121210104111
61105443041532302503
734350064406351151
oct3343655072042607
9526146245607753
10121210032113031
1135691982209304
1211717396611a33
135283098266824
1421d084dab9ad1
15e02e3ee440a6
hex6e3d68e84587

121210032113031 has 16 divisors (see below), whose sum is σ = 168082840323200. Its totient is φ = 77633569933920.

The previous prime is 121210032113029. The next prime is 121210032113039. The reversal of 121210032113031 is 130311230012121.

It is not a de Polignac number, because 121210032113031 - 21 = 121210032113029 is a prime.

It is a super-2 number, since 2×1212100321130312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121210032112989 and 121210032113007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210032113039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7701735181 + ... + 7701750918.

It is an arithmetic number, because the mean of its divisors is an integer number (10505177520200).

Almost surely, 2121210032113031 is an apocalyptic number.

121210032113031 is a deficient number, since it is larger than the sum of its proper divisors (46872808210169).

121210032113031 is a wasteful number, since it uses less digits than its factorization.

121210032113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403486206.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121210032113031 its reverse (130311230012121), we get a palindrome (251521262125152).

The spelling of 121210032113031 in words is "one hundred twenty-one trillion, two hundred ten billion, thirty-two million, one hundred thirteen thousand, thirty-one".

Divisors: 1 3 43 61 129 183 2623 7869 15403486099 46210458297 662349902257 939612652039 1987049706771 2818837956117 40403344037677 121210032113031