1020212120203 has 8 divisors (see below), whose sum is σ = 1080554899680. Its totient is φ = 959906040960.

The previous prime is 1020212120197. The next prime is 1020212120243. The reversal of 1020212120203 is 3020212120201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1020212120203 - 2⁵ = 1020212120171 is a prime.

It is a super-3 number, since 3×1020212120203³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020212120243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9117808 + ... + 9229021.

It is an arithmetic number, because the mean of its divisors is an integer number (135069362460).

Almost surely, 2^{1020212120203} is an apocalyptic number.

1020212120203 is a deficient number, since it is larger than the sum of its proper divisors (60342779477).

1020212120203 is a wasteful number, since it uses less digits than its factorization.

1020212120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18350117.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1020212120203 its reverse (3020212120201), we get a palindrome (4040424240404).

The spelling of 1020212120203 in words is "one trillion, twenty billion, two hundred twelve million, one hundred twenty thousand, two hundred three".