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1212012010201 = 23950459100501
BaseRepresentation
bin10001101000110001100…
…010111001101011011001
311021212102012102110020011
4101220301202321223121
5124324200033311301
62324442435401521
7153364534050646
oct21506142715331
94255365373204
101212012010201
11428014201153
12176a904532a1
138a3a5096055
1442939990dcd
15217d952ea51
hex11a318b9ad9

1212012010201 has 8 divisors (see below), whose sum is σ = 1217119420800. Its totient is φ = 1206904902000.

The previous prime is 1212012010171. The next prime is 1212012010291. The reversal of 1212012010201 is 1020102102121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212012010201 - 215 = 1212011977433 is a prime.

It is a super-2 number, since 2×12120120102012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212012010291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12009451 + ... + 12109951.

It is an arithmetic number, because the mean of its divisors is an integer number (152139927600).

Almost surely, 21212012010201 is an apocalyptic number.

It is an amenable number.

1212012010201 is a deficient number, since it is larger than the sum of its proper divisors (5107410599).

1212012010201 is a wasteful number, since it uses less digits than its factorization.

1212012010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151199.

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

Adding to 1212012010201 its reverse (1020102102121), we get a palindrome (2232114112322).

The spelling of 1212012010201 in words is "one trillion, two hundred twelve billion, twelve million, ten thousand, two hundred one".

Divisors: 1 239 50459 100501 12059701 24019739 5071179959 1212012010201