1020212219947 has 2 divisors, whose sum is σ = 1020212219948. Its totient is φ = 1020212219946.

The previous prime is 1020212219921. The next prime is 1020212220023. The reversal of 1020212219947 is 7499122120201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020212219947 is a prime.

It is a super-3 number, since 3×1020212219947³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1020212211947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510106109973 + 510106109974.

It is an arithmetic number, because the mean of its divisors is an integer number (510106109974).

Almost surely, 2^{1020212219947} is an apocalyptic number.

1020212219947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020212219947 is an equidigital number, since it uses as much as digits as its factorization.

1020212219947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 1020212219947 in words is "one trillion, twenty billion, two hundred twelve million, two hundred nineteen thousand, nine hundred forty-seven".