1011211010012 has 36 divisors (see below), whose sum is σ = 2060360477280. Its totient is φ = 432992193984.

The previous prime is 1011211010003. The next prime is 1011211010021. The reversal of 1011211010012 is 2100101121101.

It is an interprime number because it is at equal distance from previous prime (1011211010003) and next prime (1011211010021).

It is a junction number, because it is equal to n+sod(n) for n = 1011211009975 and 1011211010002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2063588 + ... + 2506155.

It is an arithmetic number, because the mean of its divisors is an integer number (57232235480).

Almost surely, 2^{1011211010012} is an apocalyptic number.

It is an amenable number.

1011211010012 is an abundant number, since it is smaller than the sum of its proper divisors (1049149467268).

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

1011211010012 is a wasteful number, since it uses less digits than its factorization.

1011211010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570890 (or 4570881 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011211010012 its reverse (2100101121101), we get a palindrome (3111312131113).

The spelling of 1011211010012 in words is "one trillion, eleven billion, two hundred eleven million, ten thousand, twelve".