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1201011212 = 22893373627
BaseRepresentation
bin100011110010101…
…1111101000001100
310002200220200122202
41013211133220030
54424424324322
6315101501032
741522266262
oct10745375014
93080820582
101201011212
11566a37555
12296271778
13161a8982b
14b5714432
157068a292
hex4795fa0c

1201011212 has 12 divisors (see below), whose sum is σ = 2125385640. Its totient is φ = 593758176.

The previous prime is 1201011181. The next prime is 1201011233. The reversal of 1201011212 is 2121101021.

It is a junction number, because it is equal to n+sod(n) for n = 1201011193 and 1201011202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686458 + ... + 1687169.

It is an arithmetic number, because the mean of its divisors is an integer number (177115470).

Almost surely, 21201011212 is an apocalyptic number.

It is an amenable number.

1201011212 is a deficient number, since it is larger than the sum of its proper divisors (924374428).

1201011212 is a wasteful number, since it uses less digits than its factorization.

1201011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373720 (or 3373718 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1201011212 is about 34655.6086658422. The cubic root of 1201011212 is about 1062.9569779046.

Adding to 1201011212 its reverse (2121101021), we get a palindrome (3322112233).

The spelling of 1201011212 in words is "one billion, two hundred one million, eleven thousand, two hundred twelve".

Divisors: 1 2 4 89 178 356 3373627 6747254 13494508 300252803 600505606 1201011212