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1212210000210 = 2351110136369937
BaseRepresentation
bin10001101000111101010…
…110001011000101010010
311021212220222222101110110
4101220331112023011102
5124330101230001320
62324514231142150
7153402456664206
oct21507526130522
94255828871413
101212210000210
11428105a40a60
12176b26814956
138a4070c84c1
1442957dacb06
15217ebadd5e0
hex11a3d58b152

1212210000210 has 64 divisors (see below), whose sum is σ = 3205209896064. Its totient is φ = 290959488000.

The previous prime is 1212210000119. The next prime is 1212210000259. The reversal of 1212210000210 is 120000122121.

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 31 ways as a sum of consecutive naturals, for example, 18151639 + ... + 18218298.

It is an arithmetic number, because the mean of its divisors is an integer number (50081404626).

Almost surely, 21212210000210 is an apocalyptic number.

1212210000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212210000210 is an abundant number, since it is smaller than the sum of its proper divisors (1992999895854).

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

1212210000210 is a wasteful number, since it uses less digits than its factorization.

1212210000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36370059.

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

Adding to 1212210000210 its reverse (120000122121), we get a palindrome (1332210122331).

The spelling of 1212210000210 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 101 110 165 202 303 330 505 606 1010 1111 1515 2222 3030 3333 5555 6666 11110 16665 33330 36369937 72739874 109109811 181849685 218219622 363699370 400069307 545549055 800138614 1091098110 1200207921 2000346535 2400415842 3673363637 4000693070 6001039605 7346727274 11020090911 12002079210 18366818185 22040181822 36733636370 40407000007 55100454555 80814000014 110200909110 121221000021 202035000035 242442000042 404070000070 606105000105 1212210000210