1020012222012 has 48 divisors (see below), whose sum is σ = 2720703955200. Its totient is φ = 291360131712.

The previous prime is 1020012221993. The next prime is 1020012222023. The reversal of 1020012222012 is 2102222100201.

It is a junction number, because it is equal to n+sod(n) for n = 1020012221982 and 1020012222000.

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, 1155762 + ... + 1837337.

It is an arithmetic number, because the mean of its divisors is an integer number (56681332400).

Almost surely, 2^{1020012222012} is an apocalyptic number.

1020012222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020012222012 is an abundant number, since it is smaller than the sum of its proper divisors (1700691733188).

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

1020012222012 is a wasteful number, since it uses less digits than its factorization.

1020012222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997170 (or 2997168 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1020012222012 its reverse (2102222100201), we get a palindrome (3122234322213).

The spelling of 1020012222012 in words is "one trillion, twenty billion, twelve million, two hundred twenty-two thousand, twelve".