1030312121211 has 48 divisors (see below), whose sum is σ = 1561746251520. Its totient is φ = 678713839200.

The previous prime is 1030312121203. The next prime is 1030312121213. The reversal of 1030312121211 is 1121212130301.

1030312121211 is a `hidden beast` number, since 10 + 303 + 121 + 21 + 211 = 666.

It is not a de Polignac number, because 1030312121211 - 2³ = 1030312121203 is a prime.

It is a super-2 number, since 2×1030312121211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030312121213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12303400 + ... + 12386858.

It is an arithmetic number, because the mean of its divisors is an integer number (32536380240).

Almost surely, 2^{1030312121211} is an apocalyptic number.

1030312121211 is a deficient number, since it is larger than the sum of its proper divisors (531434130309).

1030312121211 is an equidigital number, since it uses as much as digits as its factorization.

1030312121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84078 (or 84066 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1030312121211 its reverse (1121212130301), we get a palindrome (2151524251512).

The spelling of 1030312121211 in words is "one trillion, thirty billion, three hundred twelve million, one hundred twenty-one thousand, two hundred eleven".