1030312511212 has 24 divisors (see below), whose sum is σ = 1866591689760. Its totient is φ = 497026709760.

The previous prime is 1030312511201. The next prime is 1030312511231. The reversal of 1030312511212 is 2121152130301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105168 + ... + 3420919.

It is an arithmetic number, because the mean of its divisors is an integer number (77774653740).

Almost surely, 2^{1030312511212} is an apocalyptic number.

It is an amenable number.

1030312511212 is a deficient number, since it is larger than the sum of its proper divisors (836279178548).

1030312511212 is a wasteful number, since it uses less digits than its factorization.

1030312511212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527481 (or 6527479 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 1030312511212 its reverse (2121152130301), we get a palindrome (3151464641513).

The spelling of 1030312511212 in words is "one trillion, thirty billion, three hundred twelve million, five hundred eleven thousand, two hundred twelve".