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7012121220101 = 211169321196271
BaseRepresentation
bin110011000001010001011…
…1111101001010000000101
3220211100111210011202110002
41212002202333221100011
51404341311013020401
622525153553211045
71322415620636264
oct146024277512005
926740453152402
107012121220101
112263907694418
12952bb5260a85
133bb31792350a
141a3561daa5db
15c2604916a6b
hex660a2fe9405

7012121220101 has 8 divisors (see below), whose sum is σ = 7045431527808. Its totient is φ = 6978811644000.

The previous prime is 7012121220067. The next prime is 7012121220163. The reversal of 7012121220101 is 1010221212107.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7012121220101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7012121220301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35628596 + ... + 35824866.

It is an arithmetic number, because the mean of its divisors is an integer number (880678940976).

Almost surely, 27012121220101 is an apocalyptic number.

It is an amenable number.

7012121220101 is a deficient number, since it is larger than the sum of its proper divisors (33310307707).

7012121220101 is a wasteful number, since it uses less digits than its factorization.

7012121220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365803.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 7012121220101 its reverse (1010221212107), we get a palindrome (8022342432208).

The spelling of 7012121220101 in words is "seven trillion, twelve billion, one hundred twenty-one million, two hundred twenty thousand, one hundred one".

Divisors: 1 211 169321 196271 35726731 41413181 33232801991 7012121220101