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2212001213212 = 227359220055831
BaseRepresentation
bin100000001100000101100…
…010111110101100011100
321211110120011112100000201
4200030011202332230130
5242220134302310322
64412102422433244
7315545311040620
oct40140542765434
97743504470021
102212001213212
1178311702210a
122b884a892824
1313078b05132b
14790c07c7180
153c814d61d27
hex203058beb1c

2212001213212 has 24 divisors (see below), whose sum is σ = 4436325573120. Its totient is φ = 945359845680.

The previous prime is 2212001213171. The next prime is 2212001213221. The reversal of 2212001213212 is 2123121002122.

It is a self number, because there is not a number n which added to its sum of digits gives 2212001213212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110017864 + ... + 110037967.

It is an arithmetic number, because the mean of its divisors is an integer number (184846898880).

Almost surely, 22212001213212 is an apocalyptic number.

It is an amenable number.

2212001213212 is an abundant number, since it is smaller than the sum of its proper divisors (2224324359908).

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

2212001213212 is a wasteful number, since it uses less digits than its factorization.

2212001213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220056201 (or 220056199 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2212001213212 its reverse (2123121002122), we get a palindrome (4335122215334).

The spelling of 2212001213212 in words is "two trillion, two hundred twelve billion, one million, two hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 359 718 1436 2513 5026 10052 220055831 440111662 880223324 1540390817 3080781634 6161563268 79000043329 158000086658 316000173316 553000303303 1106000606606 2212001213212