1020012100007 has 2 divisors, whose sum is σ = 1020012100008. Its totient is φ = 1020012100006.

The previous prime is 1020012100001. The next prime is 1020012100021. The reversal of 1020012100007 is 7000012100201.

It is an a-pointer prime, because the next prime (1020012100021) can be obtained adding 1020012100007 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020012100007 - 2³⁶ = 951292623271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020012099964 and 1020012100000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020012100001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510006050003 + 510006050004.

It is an arithmetic number, because the mean of its divisors is an integer number (510006050004).

Almost surely, 2^{1020012100007} is an apocalyptic number.

1020012100007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020012100007 is an equidigital number, since it uses as much as digits as its factorization.

1020012100007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 1020012100007 its reverse (7000012100201), we get a palindrome (8020024200208).

The spelling of 1020012100007 in words is "one trillion, twenty billion, twelve million, one hundred thousand, seven".