1012031003121 has 32 divisors (see below), whose sum is σ = 1397125632000. Its totient is φ = 650945211840.

The previous prime is 1012031003119. The next prime is 1012031003147. The reversal of 1012031003121 is 1213001302101.

It is a happy number.

It is not a de Polignac number, because 1012031003121 - 2¹ = 1012031003119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012031003121.

It is not an unprimeable number, because it can be changed into a prime (1012031003021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137706355 + ... + 137713703.

It is an arithmetic number, because the mean of its divisors is an integer number (43660176000).

Almost surely, 2^{1012031003121} is an apocalyptic number.

It is an amenable number.

1012031003121 is a deficient number, since it is larger than the sum of its proper divisors (385094628879).

1012031003121 is a wasteful number, since it uses less digits than its factorization.

1012031003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11669.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1012031003121 its reverse (1213001302101), we get a palindrome (2225032305222).

The spelling of 1012031003121 in words is "one trillion, twelve billion, thirty-one million, three thousand, one hundred twenty-one".