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20121201012002 = 212251118211991
BaseRepresentation
bin1001001001100110101010…
…00010011110110100100010
32122020120100002112211220012
410210303111002132310202
510114131204424341002
6110443315132244522
74144465055435666
oct444632502366442
978216302484805
1020121201012002
11645839845a262
12230b759610742
13b2c56225809c
144d7c2acb88a6
1524d5ea4c6d52
hex124cd509ed22

20121201012002 has 8 divisors (see below), whose sum is σ = 30181829829312. Its totient is φ = 10060591068900.

The previous prime is 20121201011981. The next prime is 20121201012037. The reversal of 20121201012002 is 20021010212102.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1655774 + ... + 6556217.

It is an arithmetic number, because the mean of its divisors is an integer number (3772728728664).

Almost surely, 220121201012002 is an apocalyptic number.

20121201012002 is a deficient number, since it is larger than the sum of its proper divisors (10060628817310).

20121201012002 is a wasteful number, since it uses less digits than its factorization.

20121201012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20121201012002 its reverse (20021010212102), we get a palindrome (40142211224104).

The spelling of 20121201012002 in words is "twenty trillion, one hundred twenty-one billion, two hundred one million, twelve thousand, two".

Divisors: 1 2 1225111 2450222 8211991 16423982 10060600506001 20121201012002