20121200101007 has 2 divisors, whose sum is σ = 20121200101008. Its totient is φ = 20121200101006.

The previous prime is 20121200101003. The next prime is 20121200101019. The reversal of 20121200101007 is 70010100212102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20121200101007 - 2² = 20121200101003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20121200101003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060600050503 + 10060600050504.

It is an arithmetic number, because the mean of its divisors is an integer number (10060600050504).

Almost surely, 2^{20121200101007} is an apocalyptic number.

20121200101007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121200101007 is an equidigital number, since it uses as much as digits as its factorization.

20121200101007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 20121200101007 its reverse (70010100212102), we get a palindrome (90131300313109).

The spelling of 20121200101007 in words is "twenty trillion, one hundred twenty-one billion, two hundred million, one hundred one thousand, seven".