1011212029 has 2 divisors, whose sum is σ = 1011212030. Its totient is φ = 1011212028.

The previous prime is 1011212011. The next prime is 1011212047. The reversal of 1011212029 is 9202121101.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1011212011) and next prime (1011212047).

It can be written as a sum of positive squares in only one way, i.e., 1011112804 + 99225 = 31798^2 + 315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011212029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011211997 and 1011212015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011212329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505606014 + 505606015.

It is an arithmetic number, because the mean of its divisors is an integer number (505606015).

Almost surely, 2^1011212029 is an apocalyptic number.

It is an amenable number.

1011212029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011212029 is an equidigital number, since it uses as much as digits as its factorization.

1011212029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1011212029 is about 31799.5602013613. The cubic root of 1011212029 is about 1003.7234616260.

The spelling of 1011212029 in words is "one billion, eleven million, two hundred twelve thousand, twenty-nine".