1030111323212 has 48 divisors (see below), whose sum is σ = 1902518779392. Its totient is φ = 487498468800.

The previous prime is 1030111323181. The next prime is 1030111323289. The reversal of 1030111323212 is 2123231110301.

It is a happy number.

It is a super-2 number, since 2×1030111323212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185663 + ... + 1447305.

It is an arithmetic number, because the mean of its divisors is an integer number (39635807904).

Almost surely, 2^{1030111323212} is an apocalyptic number.

It is an amenable number.

1030111323212 is a deficient number, since it is larger than the sum of its proper divisors (872407456180).

1030111323212 is a wasteful number, since it uses less digits than its factorization.

1030111323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261838 (or 1261836 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1030111323212 its reverse (2123231110301), we get a palindrome (3153342433513).

The spelling of 1030111323212 in words is "one trillion, thirty billion, one hundred eleven million, three hundred twenty-three thousand, two hundred twelve".