1000212131124 has 36 divisors (see below), whose sum is σ = 2528713551364. Its totient is φ = 333351355392.

The previous prime is 1000212131119. The next prime is 1000212131141. The reversal of 1000212131124 is 4211312120001.

1000212131124 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 can be written as a sum of positive squares in 2 ways, for example, as 506118416400 + 494093714724 = 711420^2 + 702918^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1000212131124² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1000212131097 and 1000212131106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1964047 + ... + 2420310.

Almost surely, 2^{1000212131124} is an apocalyptic number.

It is an amenable number.

1000212131124 is an abundant number, since it is smaller than the sum of its proper divisors (1528501420240).

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

1000212131124 is a wasteful number, since it uses less digits than its factorization.

1000212131124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390704 (or 4390699 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1000212131124 its reverse (4211312120001), we get a palindrome (5211524251125).

The spelling of 1000212131124 in words is "one trillion, two hundred twelve million, one hundred thirty-one thousand, one hundred twenty-four".