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1212000201012 = 223198435089957
BaseRepresentation
bin10001101000110000110…
…101110110100100110100
311021212101101012111001210
4101220300311312210310
5124324134022413022
62324441334321420
7153364331504556
oct21506065664464
94255341174053
101212000201012
11428008575797
12176a884b9270
138a3a27bcb73
14429381994d6
15217d849aa0c
hex11a30d76934

1212000201012 has 24 divisors (see below), whose sum is σ = 2828143543456. Its totient is φ = 403979627808.

The previous prime is 1212000200977. The next prime is 1212000201031. The reversal of 1212000201012 is 2101020002121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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, 2306863 + ... + 2783094.

Almost surely, 21212000201012 is an apocalyptic number.

1212000201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212000201012 is an abundant number, since it is smaller than the sum of its proper divisors (1616143342444).

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

1212000201012 is a wasteful number, since it uses less digits than its factorization.

1212000201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109807 (or 5109805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1212000201012 its reverse (2101020002121), we get a palindrome (3313020203133).

The spelling of 1212000201012 in words is "one trillion, two hundred twelve billion, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 19843 39686 59529 79372 119058 238116 5089957 10179914 15269871 20359828 30539742 61079484 101000016751 202000033502 303000050253 404000067004 606000100506 1212000201012