1201001020010 has 32 divisors (see below), whose sum is σ = 2358422402112. Its totient is φ = 436710398080.

The previous prime is 1201001019979. The next prime is 1201001020049. The reversal of 1201001020010 is 100201001021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201001020010.

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, 2769809 + ... + 3173931.

It is an arithmetic number, because the mean of its divisors is an integer number (73700700066).

Almost surely, 2^{1201001020010} is an apocalyptic number.

1201001020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201001020010 is a deficient number, since it is larger than the sum of its proper divisors (1157421382102).

1201001020010 is a wasteful number, since it uses less digits than its factorization.

1201001020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431158.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1201001020010 its reverse (100201001021), we get a palindrome (1301202021031).

The spelling of 1201001020010 in words is "one trillion, two hundred one billion, one million, twenty thousand, ten".