1020001120212 has 48 divisors (see below), whose sum is σ = 2444338383872. Its totient is φ = 330867905760.

The previous prime is 1020001120207. The next prime is 1020001120241. The reversal of 1020001120212 is 2120211000201.

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 15 ways as a sum of consecutive naturals, for example, 3507298 + ... + 3786969.

Almost surely, 2^{1020001120212} is an apocalyptic number.

1020001120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020001120212 is an abundant number, since it is smaller than the sum of its proper divisors (1424337263660).

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

1020001120212 is a wasteful number, since it uses less digits than its factorization.

1020001120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7294588 (or 7294586 counting only the distinct ones).

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

Adding to 1020001120212 its reverse (2120211000201), we get a palindrome (3140212120413).

The spelling of 1020001120212 in words is "one trillion, twenty billion, one million, one hundred twenty thousand, two hundred twelve".