1020002132112 has 40 divisors (see below), whose sum is σ = 2635212302880. Its totient is φ = 339974027520.

The previous prime is 1020002132053. The next prime is 1020002132143. The reversal of 1020002132112 is 2112312000201.

It is a junction number, because it is equal to n+sod(n) for n = 1020002132091 and 1020002132100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211062 + ... + 1443797.

It is an arithmetic number, because the mean of its divisors is an integer number (65880307572).

Almost surely, 2^{1020002132112} is an apocalyptic number.

1020002132112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020002132112 is an abundant number, since it is smaller than the sum of its proper divisors (1615210170768).

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

1020002132112 is a wasteful number, since it uses less digits than its factorization.

1020002132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667711 (or 1667705 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1020002132112 its reverse (2112312000201), we get a palindrome (3132314132313).

The spelling of 1020002132112 in words is "one trillion, twenty billion, two million, one hundred thirty-two thousand, one hundred twelve".