1011012001212 has 24 divisors (see below), whose sum is σ = 2359045328976. Its totient is φ = 337001525248.

The previous prime is 1011012001201. The next prime is 1011012001231. The reversal of 1011012001212 is 2121002101101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 2219068 + ... + 2635580.

It is an arithmetic number, because the mean of its divisors is an integer number (98293555374).

Almost surely, 2^{1011012001212} is an apocalyptic number.

1011012001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011012001212 is an abundant number, since it is smaller than the sum of its proper divisors (1348033327764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011012001212 is a wasteful number, since it uses less digits than its factorization.

1011012001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618797 (or 618795 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011012001212 its reverse (2121002101101), we get a palindrome (3132014102313).

The spelling of 1011012001212 in words is "one trillion, eleven billion, twelve million, one thousand, two hundred twelve".