1010021311212 has 24 divisors (see below), whose sum is σ = 2420411431536. Its totient is φ = 327574479168.

The previous prime is 1010021311183. The next prime is 1010021311213. The reversal of 1010021311212 is 2121131200101.

It is a junction number, because it is equal to n+sod(n) for n = 1010021311191 and 1010021311200.

It is not an unprimeable number, because it can be changed into a prime (1010021311213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137410943 + ... + 1137411830.

It is an arithmetic number, because the mean of its divisors is an integer number (100850476314).

Almost surely, 2^{1010021311212} is an apocalyptic number.

1010021311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010021311212 is an abundant number, since it is smaller than the sum of its proper divisors (1410390120324).

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

1010021311212 is a wasteful number, since it uses less digits than its factorization.

1010021311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274822817 (or 2274822815 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1010021311212 its reverse (2121131200101), we get a palindrome (3131152511313).

The spelling of 1010021311212 in words is "one trillion, ten billion, twenty-one million, three hundred eleven thousand, two hundred twelve".