1020001200010 has 128 divisors (see below), whose sum is σ = 2007538009344. Its totient is φ = 370904002560.

The previous prime is 1020001199993. The next prime is 1020001200011. The reversal of 1020001200010 is 100021000201.

It is a junction number, because it is equal to n+sod(n) for n = 1020001199966 and 1020001200002.

It is not an unprimeable number, because it can be changed into a prime (1020001200011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1864718557 + ... + 1864719103.

It is an arithmetic number, because the mean of its divisors is an integer number (15683890698).

Almost surely, 2^{1020001200010} is an apocalyptic number.

1020001200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020001200010 is a deficient number, since it is larger than the sum of its proper divisors (987536809334).

1020001200010 is a wasteful number, since it uses less digits than its factorization.

1020001200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1020001200010 its reverse (100021000201), we get a palindrome (1120022200211).

The spelling of 1020001200010 in words is "one trillion, twenty billion, one million, two hundred thousand, ten".