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120212120000101 = 393133057821077
BaseRepresentation
bin11011010101010100010000…
…101101011101011001100101
3120202122011111022222111222111
4123111110100231131121211
5111224023410210000401
61103400404024401021
734215016253346343
oct3325242055353145
9522564438874874
10120212120000101
11353377458a8918
1211595ab7916171
13520cc5370762c
142198424a88993
15dd6ed6b50e51
hex6d5510b5d665

120212120000101 has 4 divisors (see below), whose sum is σ = 120215177860492. Its totient is φ = 120209062139712.

The previous prime is 120212120000059. The next prime is 120212120000207. The reversal of 120212120000101 is 101000021212021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77645968773025 + 42566151227076 = 8811695^2 + 6524274^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212120000101 - 241 = 118013096744549 is a prime.

It is a super-5 number, since 5×1202121200001015 (a number of 72 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212120000701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528871226 + ... + 1528949851.

It is an arithmetic number, because the mean of its divisors is an integer number (30053794465123).

Almost surely, 2120212120000101 is an apocalyptic number.

It is an amenable number.

120212120000101 is a deficient number, since it is larger than the sum of its proper divisors (3057860391).

120212120000101 is an equidigital number, since it uses as much as digits as its factorization.

120212120000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057860390.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120212120000101 its reverse (101000021212021), we get a palindrome (221212141212122).

The spelling of 120212120000101 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty million, one hundred one", and thus it is an aban number.

Divisors: 1 39313 3057821077 120212120000101