1021012212000 has 192 divisors, whose sum is σ = 3648912478848. Its totient is φ = 247518080000.

The previous prime is 1021012211959. The next prime is 1021012212047. The reversal of 1021012212000 is 2122101201.

1021012212000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 3735471 + ... + 3999470.

It is an arithmetic number, because the mean of its divisors is an integer number (19004752494).

Almost surely, 2^{1021012212000} is an apocalyptic number.

1021012212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021012212000 is an abundant number, since it is smaller than the sum of its proper divisors (2627900266848).

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

1021012212000 is a wasteful number, since it uses less digits than its factorization.

1021012212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734980 (or 7734962 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021012212000 its reverse (2122101201), we get a palindrome (1023134313201).

The spelling of 1021012212000 in words is "one trillion, twenty-one billion, twelve million, two hundred twelve thousand".