202012012049 has 2 divisors, whose sum is σ = 202012012050. Its totient is φ = 202012012048.

The previous prime is 202012011979. The next prime is 202012012091. The reversal of 202012012049 is 940210210202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142959610000 + 59052402049 = 378100^2 + 243007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202012012049 is a prime.

It is not a weakly prime, because it can be changed into another prime (202012012549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006006024 + 101006006025.

It is an arithmetic number, because the mean of its divisors is an integer number (101006006025).

Almost surely, 2^202012012049 is an apocalyptic number.

It is an amenable number.

202012012049 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012012049 is an equidigital number, since it uses as much as digits as its factorization.

202012012049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 202012012049 in words is "two hundred two billion, twelve million, twelve thousand, forty-nine".