1011021213000 has 64 divisors (see below), whose sum is σ = 3154386193920. Its totient is φ = 269605656000.

The previous prime is 1011021212987. The next prime is 1011021213011. The reversal of 1011021213000 is 3121201101.

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

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, 168500536 + ... + 168506535.

It is an arithmetic number, because the mean of its divisors is an integer number (49287284280).

Almost surely, 2^{1011021213000} is an apocalyptic number.

1011021213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011021213000 is an abundant number, since it is smaller than the sum of its proper divisors (2143364980920).

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

1011021213000 is a wasteful number, since it uses less digits than its factorization.

1011021213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337007095 (or 337007081 counting only the distinct ones).

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

Adding to 1011021213000 its reverse (3121201101), we get a palindrome (1014142414101).

The spelling of 1011021213000 in words is "one trillion, eleven billion, twenty-one million, two hundred thirteen thousand".