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122000012 = 2230500003
BaseRepresentation
bin1110100010110…
…01001010001100
322111120020112222
413101121022030
5222213000022
620034514512
73010661111
oct721311214
9274506488
10122000012
1162958462
1234a35a38
131c377374
14122ba908
15aa9d242
hex745928c

122000012 has 6 divisors (see below), whose sum is σ = 213500028. Its totient is φ = 61000004.

The previous prime is 122000003. The next prime is 122000029. The reversal of 122000012 is 210000221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15249998 + ... + 15250005.

It is an arithmetic number, because the mean of its divisors is an integer number (35583338).

Almost surely, 2122000012 is an apocalyptic number.

It is an amenable number.

122000012 is a deficient number, since it is larger than the sum of its proper divisors (91500016).

122000012 is a wasteful number, since it uses less digits than its factorization.

122000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30500007 (or 30500005 counting only the distinct ones).

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

The square root of 122000012 is about 11045.3615604017. The cubic root of 122000012 is about 495.9675826455.

Adding to 122000012 its reverse (210000221), we get a palindrome (332000233).

The spelling of 122000012 in words is "one hundred twenty-two million, twelve", and thus it is an aban number.

Divisors: 1 2 4 30500003 61000006 122000012