1020212002019 has 16 divisors (see below), whose sum is σ = 1240808995008. Its totient is φ = 818850342912.

The previous prime is 1020212001997. The next prime is 1020212002039. The reversal of 1020212002019 is 9102002120201.

It is a happy number.

It is not a de Polignac number, because 1020212002019 - 2²⁴ = 1020195224803 is a prime.

It is a super-2 number, since 2×1020212002019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020212002039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21735974 + ... + 21782859.

It is an arithmetic number, because the mean of its divisors is an integer number (77550562188).

Almost surely, 2^{1020212002019} is an apocalyptic number.

1020212002019 is a deficient number, since it is larger than the sum of its proper divisors (220596992989).

1020212002019 is a wasteful number, since it uses less digits than its factorization.

1020212002019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43519054.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1020212002019 in words is "one trillion, twenty billion, two hundred twelve million, two thousand, nineteen".