1029012193901 has 8 divisors (see below), whose sum is σ = 1100774719800. Its totient is φ = 958497712128.

The previous prime is 1029012193897. The next prime is 1029012193903. The reversal of 1029012193901 is 1093912109201.

It can be written as a sum of positive squares in 4 ways, for example, as 567387069001 + 461625124900 = 753251^2 + 679430^2 .

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 1029012193901 - 2² = 1029012193897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029012193903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312009326 + ... + 312012623.

It is an arithmetic number, because the mean of its divisors is an integer number (137596839975).

Almost surely, 2^{1029012193901} is an apocalyptic number.

It is an amenable number.

1029012193901 is a deficient number, since it is larger than the sum of its proper divisors (71762525899).

1029012193901 is an equidigital number, since it uses as much as digits as its factorization.

1029012193901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624022063.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 1029012193901 in words is "one trillion, twenty-nine billion, twelve million, one hundred ninety-three thousand, nine hundred one".