1020212120102 has 16 divisors (see below), whose sum is σ = 1750689284640. Its totient is φ = 436795210368.

The previous prime is 1020212120099. The next prime is 1020212120171. The reversal of 1020212120102 is 2010212120201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36531827 + ... + 36559742.

It is an arithmetic number, because the mean of its divisors is an integer number (109418080290).

Almost surely, 2^{1020212120102} is an apocalyptic number.

1020212120102 is a deficient number, since it is larger than the sum of its proper divisors (730477164538).

1020212120102 is an equidigital number, since it uses as much as digits as its factorization.

1020212120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73092575.

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

Adding to 1020212120102 its reverse (2010212120201), we get a palindrome (3030424240303).

Subtracting 1020212120102 from its reverse (2010212120201), we obtain a palindrome (990000000099).

The spelling of 1020212120102 in words is "one trillion, twenty billion, two hundred twelve million, one hundred twenty thousand, one hundred two".