1011212111210 has 32 divisors (see below), whose sum is σ = 2081525420160. Its totient is φ = 346481687232.

The previous prime is 1011212111209. The next prime is 1011212111233. The reversal of 1011212111210 is 121112121101.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 4463849 + ... + 4684908.

It is an arithmetic number, because the mean of its divisors is an integer number (65047669380).

Almost surely, 2^{1011212111210} is an apocalyptic number.

1011212111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011212111210 is an abundant number, since it is smaller than the sum of its proper divisors (1070313308950).

1011212111210 is a wasteful number, since it uses less digits than its factorization.

1011212111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150350.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1011212111210 its reverse (121112121101), we get a palindrome (1132324232311).

The spelling of 1011212111210 in words is "one trillion, eleven billion, two hundred twelve million, one hundred eleven thousand, two hundred ten".